Is YouTube Subtitle Pro - Cinema Mode safe to use?

YouTube Subtitle Pro - Cinema Mode has a security risk score of 41.34/100 (MEDIUM risk). Our security analysis detected 143 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of YouTube Subtitle Pro - Cinema Mode?

Based on our automated security analysis, YouTube Subtitle Pro - Cinema Mode presents medium risk level. The extension is analyzed for malware patterns, secret exposure, network communications, permissions, and supply chain vulnerabilities.

How is the security score calculated?

Risky Plugins calculates security scores using weighted categories: severity of findings (25 points max), malware detections (35 points), secret exposure (28 points), network communications (10 points), and obfuscation (10 points). Scores range from 0-100, with higher scores indicating greater risk.

What does CRITICAL, HIGH, MEDIUM, LOW, MINIMAL risk mean?

CRITICAL (80-100): Severe security issues like malware. HIGH (60-79): Significant vulnerabilities. MEDIUM (40-59): Moderate security concerns. LOW (20-39): Minor issues. MINIMAL (0-19): Very low risk. Always review findings before installing any extension.

Is "YouTube Subtitle Pro - Cinema Mode" on Firefox Add-ons Safe to Install?

Name: YouTube Subtitle Pro - Cinema Mode
Availability: InStock
Rating: 5 (1 reviews)
Author: voidksa2

voidksa2 · firefox · v2.2.0

Take full control of YouTube subtitles. Designed for those who value readability, aesthetics, and a distraction-free viewing experience. Bilingual Intelligence (New) The extension detects the language automatically. Set a bold, clear profile for Arabic and a compact one for English—it switches instantly without you touching a thing. Studio Dark Theme We replaced the old glass look with a professional Solid Dark UI. It’s clean, modern, and keeps your focus entirely on the video. Premium Typography Read comfortably with pro fonts like Tajawal, Almarai, and Noto Kufi (Arabic) or Inter and Montserrat (English). You can fine-tune weight, size, and opacity to your exact liking. Smart Engine Our algorithm distinguishes between standard captions and "creator-styled" subtitles, ensuring your custom look doesn't break special video effects. Arabic Perfection Solves disjointed letters, corrects spacing issues, and ensures a perfect Right-to-Left layout for menus and sliders. What’s New in v2.1.0: - Visual Overhaul: A completely new Solid Dark interface. - New Fonts: Added Tajawal, Almarai, Montserrat, and more. - Smart Fixes: Solved text overlapping and preview thumbnail scaling. - RTL Polish: Fixed slider gradients and menus for Arabic users.

Risk Assessment

Analyzed

41.34

out of 100

MEDIUM

143 security findings detected across all analyzers

Firefox extension requesting 5 permissions

Severity Breakdown

Critical

High

130

Medium

Low

Info

Finding Categories

Malware Signatures

129

IoC Indicators

YARA Rules Matched

4 rules(13 hits)

postinstall file manipulation postinstall network communication postinstall file download AlertStatementsShouldNotBeUsed

Requested Permissions

5 permissions

activeTab

Medium

storage

Low

scripting

Low

https://www.youtube.com/*

Low

https://www.youtube-nocookie.com/*

Low

About This Extension

Take full control of YouTube subtitles. Designed for those who value readability, aesthetics, and a distraction-free viewing experience. Bilingual Intelligence (New) The extension detects the language automatically. Set a bold, clear profile for Arabic and a compact one for English—it switches instantly without you touching a thing. Studio Dark Theme We replaced the old glass look with a professional Solid Dark UI. It’s clean, modern, and keeps your focus entirely on the video. Premium Typography Read comfortably with pro fonts like Tajawal, Almarai, and Noto Kufi (Arabic) or Inter and Montserrat (English). You can fine-tune weight, size, and opacity to your exact liking. Smart Engine Our algorithm distinguishes between standard captions and "creator-styled" subtitles, ensuring your custom look doesn't break special video effects. Arabic Perfection Solves disjointed letters, corrects spacing issues, and ensures a perfect Right-to-Left layout for menus and sliders. What’s New in v2.1.0: - Visual Overhaul: A completely new Solid Dark interface. - New Fonts: Added Tajawal, Almarai, Montserrat, and more. - Smart Fixes: Solved text overlapping and preview thumbnail scaling. - RTL Polish: Fixed slider gradients and menus for Arabic users.

Detailed Findings

13 total

YARA Rule Matches

4 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs

IP Addresses

Domains

Strings

129

All Indicators · 129

Domain

detected Domain: f.co

XIOC detected Domain: f.co

extracted_from_files

Domain

detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

URL

detected URL: https://creators.sa/en/voidksa';

XIOC detected URL: https://creators.sa/en/voidksa';

extracted_from_files

URL

detected URL: https://www.youtube.com/*

XIOC detected URL: https://www.youtube.com/*

extracted_from_files

URL

detected URL: https://www.youtube-nocookie.com/*

XIOC detected URL: https://www.youtube-nocookie.com/*

extracted_from_files

URL

detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700&family=Roboto:wght@400;500;700&display=swap

XIOC detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700&family=Roboto:wght@400;500;700&display=swap

extracted_from_files

URL

detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#'

XIOC detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#'

extracted_from_files

URL

detected URL: http://ns.attribution.com/ads/1.0/'

XIOC detected URL: http://ns.attribution.com/ads/1.0/'

extracted_from_files

URL

detected URL: http://purl.org/dc/elements/1.1/'

XIOC detected URL: http://purl.org/dc/elements/1.1/'

extracted_from_files

URL

detected URL: https://github.com/voidksa

XIOC detected URL: https://github.com/voidksa

extracted_from_files

URL

detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&family=Roboto:wght@400;500;700;900&family=Cairo:wght@400;600;700;900&family=Almarai:wght@300;400;700;800&family=Noto+Kufi+Arabic:wght@400;600;700&family=Open+Sans:wght@400;600;700&family=Montserrat:wght@400;600;700;900&family=Lato:wght@400;700;900&display=swap');

XIOC detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&family=Roboto:wght@400;500;700;900&family=Cairo:wght@400;600;700;900&family=Almarai:wght@300;400;700;800&family=Noto+Kufi+Arabic:wght@400;600;700&family=Open+Sans:wght@400;600;700&family=Montserrat:wght@400;600;700;900&family=Lato:wght@400;700;900&display=swap');

extracted_from_files

URL

detected URL: https://raw.githubusercontent.com/voidksa/YouTube-Subtitle-Pro/main/assets/preview_bg.jpg');

XIOC detected URL: https://raw.githubusercontent.com/voidksa/YouTube-Subtitle-Pro/main/assets/preview_bg.jpg');

extracted_from_files

URL

detected URL: https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi/reviews

XIOC detected URL: https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi/reviews

extracted_from_files

URL

detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;900&family=Roboto:wght@400;500;700;900&display=swap';

XIOC detected URL: https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;900&family=Roboto:wght@400;500;700;900&display=swap';

extracted_from_files

URL

detected URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-subtitle-pro/

XIOC detected URL: https://addons.mozilla.org/en-US/firefox/addon/youtube-subtitle-pro/

extracted_from_files

URL

detected URL: https://creators.sa/voidksa'

XIOC detected URL: https://creators.sa/voidksa'

extracted_from_files

URL

detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Version-v2.2.0-blue?style=for-the-badge)](https://github.com/voidksa/YouTube-Subtitle-Pro/releases)

XIOC detected URL: https://img.shields.io/badge/Version-v2.2.0-blue?style=for-the-badge)](https://github.com/voidksa/YouTube-Subtitle-Pro/releases)

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Chrome_Web_Store-Available_Now-chrome?style=for-the-badge&logo=google-chrome&logoColor=white)](https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi)

XIOC detected URL: https://img.shields.io/badge/Chrome_Web_Store-Available_Now-chrome?style=for-the-badge&logo=google-chrome&logoColor=white)](https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi)

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Firefox_Add--ons-Available_Now-orange?style=for-the-badge&logo=mozilla-firefox&logoColor=white)](https://addons.mozilla.org/en-US/firefox/addon/youtube-subtitle-pro/)

XIOC detected URL: https://img.shields.io/badge/Firefox_Add--ons-Available_Now-orange?style=for-the-badge&logo=mozilla-firefox&logoColor=white)](https://addons.mozilla.org/en-US/firefox/addon/youtube-subtitle-pro/)

extracted_from_files

URL

detected URL: https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey?style=for-the-badge)](LICENSE)

XIOC detected URL: https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey?style=for-the-badge)](LICENSE)

extracted_from_files

URL

detected URL: https://voidksa.com

XIOC detected URL: https://voidksa.com

extracted_from_files

URL

detected URL: https://x.com/voidksa2

XIOC detected URL: https://x.com/voidksa2

extracted_from_files

URL

detected URL: https://upload.wikimedia.org/wikipedia/commons/e/e1/Google_Chrome_icon_%28February_2022%29.svg

XIOC detected URL: https://upload.wikimedia.org/wikipedia/commons/e/e1/Google_Chrome_icon_%28February_2022%29.svg

extracted_from_files

URL

detected URL: https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi

XIOC detected URL: https://chromewebstore.google.com/detail/youtube-subtitle-pro-cine/clhoadlllpmdeakgigbbbammfapclcfi

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Chrome_Web_Store-Get_it_now-4285F4?style=for-the-badge&logo=google-chrome&logoColor=white

XIOC detected URL: https://img.shields.io/badge/Chrome_Web_Store-Get_it_now-4285F4?style=for-the-badge&logo=google-chrome&logoColor=white

extracted_from_files

URL

detected URL: https://upload.wikimedia.org/wikipedia/commons/a/a0/Firefox_logo%2C_2019.svg

XIOC detected URL: https://upload.wikimedia.org/wikipedia/commons/a/a0/Firefox_logo%2C_2019.svg

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Firefox_Add--ons-Get_it_now-FF7139?style=for-the-badge&logo=mozilla-firefox&logoColor=white

XIOC detected URL: https://img.shields.io/badge/Firefox_Add--ons-Get_it_now-FF7139?style=for-the-badge&logo=mozilla-firefox&logoColor=white

extracted_from_files

URL

detected URL: https://github.com/voidksa/YouTube-Subtitle-Pro/releases/latest

XIOC detected URL: https://github.com/voidksa/YouTube-Subtitle-Pro/releases/latest

extracted_from_files

Domain

detected Domain: h.ee

XIOC detected Domain: h.ee

extracted_from_files

Domain

detected Domain: ѐ.kp

XIOC detected Domain: ѐ.kp

extracted_from_files

Domain

detected Domain: f.dz

XIOC detected Domain: f.dz

extracted_from_files

Domain

detected Domain: voidksa.com

XIOC detected Domain: voidksa.com

extracted_from_files

Domain

detected Domain: n2.tl

XIOC detected Domain: n2.tl

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

URL

detected URL: https://github.com/voidksa/YouTube-Subtitle-Pro

XIOC detected URL: https://github.com/voidksa/YouTube-Subtitle-Pro

extracted_from_files

Domain

detected Domain: yn.tw

XIOC detected Domain: yn.tw

extracted_from_files

Domain

detected Domain: 4.eu

XIOC detected Domain: 4.eu

extracted_from_files

Domain

detected Domain: j.jo

XIOC detected Domain: j.jo

extracted_from_files

Domain

detected Domain: t.vu

XIOC detected Domain: t.vu

extracted_from_files

Domain

detected Domain: m.mm

XIOC detected Domain: m.mm

extracted_from_files

Domain

detected Domain: ӧ1.lv

XIOC detected Domain: ӧ1.lv

extracted_from_files

Domain

detected Domain: n.pg

XIOC detected Domain: n.pg

extracted_from_files

Domain

detected Domain: ԥy.ie

XIOC detected Domain: ԥy.ie

extracted_from_files

Domain

detected Domain: 7t.tn

XIOC detected Domain: 7t.tn

extracted_from_files

Domain

detected Domain: cm.az

XIOC detected Domain: cm.az

extracted_from_files

Domain

detected Domain: d.sj

XIOC detected Domain: d.sj

extracted_from_files

Domain

detected Domain: 7z.gs

XIOC detected Domain: 7z.gs

extracted_from_files

Domain

detected Domain: 5-.cw

XIOC detected Domain: 5-.cw

extracted_from_files

Domain

detected Domain: ot0.et

XIOC detected Domain: ot0.et

extracted_from_files

Domain

detected Domain: r.so

XIOC detected Domain: r.so

extracted_from_files

Domain

detected Domain: gy.tn

XIOC detected Domain: gy.tn

extracted_from_files

Domain

detected Domain: d닁u.tt

XIOC detected Domain: d닁u.tt

extracted_from_files

Domain

detected Domain: yfz.cf

XIOC detected Domain: yfz.cf

extracted_from_files

Domain

detected Domain: v.af

XIOC detected Domain: v.af

extracted_from_files

Domain

detected Domain: 8.ne

XIOC detected Domain: 8.ne

extracted_from_files

Domain

detected Domain: ԝ.kh

XIOC detected Domain: ԝ.kh

extracted_from_files

Domain

detected Domain: importfile.click

XIOC detected Domain: importfile.click

extracted_from_files

Domain

detected Domain: parsed.ar

XIOC detected Domain: parsed.ar

extracted_from_files

Domain

detected Domain: opt.click

XIOC detected Domain: opt.click

extracted_from_files

Domain

detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain

detected Domain: ns.attribution.com

XIOC detected Domain: ns.attribution.com

extracted_from_files

URL

detected URL: http://ns.adobe.com/pdf/1.3/'

XIOC detected URL: http://ns.adobe.com/pdf/1.3/'

extracted_from_files

URL

detected URL: http://ns.adobe.com/xap/1.0/'

XIOC detected URL: http://ns.adobe.com/xap/1.0/'

extracted_from_files

Hash

detected MD5 Hash: 5755f1b245827d3c7fed4866594b7746

XIOC detected MD5 Hash: 5755f1b245827d3c7fed4866594b7746

extracted_from_files

Domain

detected Domain: s.customfont.data

XIOC detected Domain: s.customfont.data

extracted_from_files

Domain

detected Domain: www.youtube.com

XIOC detected Domain: www.youtube.com

extracted_from_files

Domain

detected Domain: www.youtube-nocookie.com

XIOC detected Domain: www.youtube-nocookie.com

extracted_from_files

Domain

detected Domain: result.ar

XIOC detected Domain: result.ar

extracted_from_files

Domain

detected Domain: a.download

XIOC detected Domain: a.download

extracted_from_files

Domain

detected Domain: a.click

XIOC detected Domain: a.click

extracted_from_files

Domain

detected Domain: fontuploadinput.click

XIOC detected Domain: fontuploadinput.click

extracted_from_files

Domain

detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain

detected Domain: file.name

XIOC detected Domain: file.name

extracted_from_files

Domain

detected Domain: s.customfont.name

XIOC detected Domain: s.customfont.name

extracted_from_files

Domain

detected Domain: tmpl.name

XIOC detected Domain: tmpl.name

extracted_from_files

Domain

detected Domain: t.name

XIOC detected Domain: t.name

extracted_from_files

Domain

detected Domain: tmpl.ar

XIOC detected Domain: tmpl.ar

extracted_from_files

Domain

detected Domain: styleel.id

XIOC detected Domain: styleel.id

extracted_from_files

Domain

detected Domain: container.id

XIOC detected Domain: container.id

extracted_from_files

Domain

detected Domain: caption-window.is

XIOC detected Domain: caption-window.is

extracted_from_files

Domain

detected Domain: btn.dataset.target

XIOC detected Domain: btn.dataset.target

extracted_from_files

Domain

detected Domain: tab.dataset.tab

XIOC detected Domain: tab.dataset.tab

extracted_from_files

Domain

detected Domain: e.target

XIOC detected Domain: e.target

extracted_from_files

Domain

detected Domain: cachedsettings.ar

XIOC detected Domain: cachedsettings.ar

extracted_from_files

Domain

detected Domain: readme.ar.md

XIOC detected Domain: readme.ar.md

extracted_from_files

Domain

detected Domain: x.com

XIOC detected Domain: x.com

extracted_from_files

Domain

detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Domain

detected Domain: fonts.googleapis.com

XIOC detected Domain: fonts.googleapis.com

extracted_from_files

Domain

detected Domain: raw.githubusercontent.com

XIOC detected Domain: raw.githubusercontent.com

extracted_from_files

Domain

detected Domain: creators.sa

XIOC detected Domain: creators.sa

extracted_from_files

Domain

detected Domain: 2fwww.w3.org

XIOC detected Domain: 2fwww.w3.org

extracted_from_files

Domain

detected Domain: policy.md

XIOC detected Domain: policy.md

extracted_from_files

Domain

detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

Domain

detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain

detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain

detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain

detected Domain: res.ar

XIOC detected Domain: res.ar

extracted_from_files

Domain

detected Domain: t79613228bfb9380e06e2413be63ad304.5755f1b245827d3c7fed4866594b7746.addons.mozilla.org

XIOC detected Domain: t79613228bfb9380e06e2413be63ad304.5755f1b245827d3c7fed4866594b7746.addons.mozilla.org

extracted_from_files

Domain

detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain

detected Domain: upload.wikimedia.org

XIOC detected Domain: upload.wikimedia.org

extracted_from_files

Domain

detected Domain: chromewebstore.google.com

XIOC detected Domain: chromewebstore.google.com

extracted_from_files

Domain

detected Domain: img.shields.io

XIOC detected Domain: img.shields.io

extracted_from_files

Domain

detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Domain

detected Domain: creativecommons.org

XIOC detected Domain: creativecommons.org

extracted_from_files

Domain

detected Domain: install.md

XIOC detected Domain: install.md

extracted_from_files

detected IP: f9::8

XIOC detected IP: f9::8

extracted_from_files

detected IP: ::e

XIOC detected IP: ::e

extracted_from_files

detected IP: 8::

XIOC detected IP: 8::

extracted_from_files

detected IP: 1::

XIOC detected IP: 1::

extracted_from_files

detected IP: f::1

XIOC detected IP: f::1

extracted_from_files

detected IP: ::1

XIOC detected IP: ::1

extracted_from_files

detected IP: e::af

XIOC detected IP: e::af

extracted_from_files

detected IP: ::67

XIOC detected IP: ::67

extracted_from_files

detected IP: ::ba

XIOC detected IP: ::ba

extracted_from_files

detected IP: 5::7

XIOC detected IP: 5::7

extracted_from_files

detected IP: ::0

XIOC detected IP: ::0

extracted_from_files

detected IP: ::899

XIOC detected IP: ::899

extracted_from_files

detected IP: 3::

XIOC detected IP: 3::

extracted_from_files

detected IP: 9::

XIOC detected IP: 9::

extracted_from_files

detected IP: e::

XIOC detected IP: e::

extracted_from_files

detected IP: ::

XIOC detected IP: ::

extracted_from_files

detected IP: 0::

XIOC detected IP: 0::

extracted_from_files

detected IP: 6::

XIOC detected IP: 6::

extracted_from_files

detected IP: ::d

XIOC detected IP: ::d

extracted_from_files

detected IP: ::8

XIOC detected IP: ::8

extracted_from_files

detected IP: ::9

XIOC detected IP: ::9

extracted_from_files

URL

detected Domain: purl.org

XIOC detected Domain: purl.org

extracted_from_files

detected IP: d::bef

XIOC detected IP: d::bef

extracted_from_files

Security Analysis Summary

Security Analysis Overview

YouTube Subtitle Pro - Cinema Mode is a Firefox Add-ons extension published by voidksa2. Version 2.2.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 41.34/100 (MEDIUM risk) based on 143 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

High: 13 finding(s)
Medium: 130 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

Malware Detection: YARA rule matching against 2,400+ malware signatures
Secret Detection: Scanning for exposed API keys, tokens, and credentials
Static Analysis: Code-level security analysis for common vulnerability patterns
Network Analysis: Detection of suspicious network communications and endpoints
Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

YouTube Subtitle Pro - Cinema Mode is published by voidksa2 on the Firefox Add-ons marketplace. The extension has approximately 18 users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

Source Code Viewer

Source Code Not Available

Source code is not available for this version of the extension.