Is Epubkit Connect safe to use?

Epubkit Connect has a security risk score of 41.19/100 (MEDIUM risk). Our security analysis detected 132 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of Epubkit Connect?

Based on our automated security analysis, Epubkit Connect 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 "Epubkit Connect" on Firefox Add-ons Safe to Install?

Name: Epubkit Connect
Availability: InStock
Author: Randynamic Studio

Randynamic Studio · firefox · v0.0.2

Save web page to EpubKit in your browser. This is the official browser extension made by and maintained by the EpubKit team. The web page you save by the extension will be synced to EpubKit App. You need to keep EpubKit App opened when using this extension.

Risk Assessment

Analyzed

41.19

out of 100

MEDIUM

132 security findings detected across all analyzers

Firefox extension requesting 3 permissions

Severity Breakdown

Critical

High

121

Medium

Low

Info

Finding Categories

Malware Signatures

118

IoC Indicators

YARA Rules Matched

8 rules(11 hits)

postinstall system command postinstall network communication postinstall obfuscation LocalStorageShouldNotBeUsed postinstall file manipulation postinstall file download NoUseWeakRandom postinstall crypto operations

Requested Permissions

3 permissions

activeTab

Medium

scripting

Low

http://localhost/*

Low

About This Extension

Detailed Findings

11 total

YARA Rule Matches

8 rules

Indicators of Compromise

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

URLs

IP Addresses

Domains

104

Strings

118

All Indicators · 118

detected IP: ::

XIOC detected IP: ::

extracted_from_files

Domain

detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

URL

detected URL: http://www.w3.org/1999/xlink

XIOC detected URL: http://www.w3.org/1999/xlink

extracted_from_files

URL

detected URL: http://www.w3.org/2000/svg

XIOC detected URL: http://www.w3.org/2000/svg

extracted_from_files

URL

detected URL: http://www.w3.org/1999/xhtml

XIOC detected URL: http://www.w3.org/1999/xhtml

extracted_from_files

URL

detected URL: http://localhost:6143/save

XIOC detected URL: http://localhost:6143/save

extracted_from_files

URL

detected URL: http://jedwatson.github.io/classnames

XIOC detected URL: http://jedwatson.github.io/classnames

extracted_from_files

Domain

detected Domain: f.watch

XIOC detected Domain: f.watch

extracted_from_files

Domain

detected Domain: state.watch

XIOC detected Domain: state.watch

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: http://www.w3.org/2000/svg'%3E%3Cstyle%3E.spinner_V8m1%7Btransform-origin:center;animation:spinner_zKoa

XIOC detected URL: http://www.w3.org/2000/svg'%3E%3Cstyle%3E.spinner_V8m1%7Btransform-origin:center;animation:spinner_zKoa

extracted_from_files

URL

detected URL: https://reactjs.org/docs/error-decoder.html?invariant=

XIOC detected URL: https://reactjs.org/docs/error-decoder.html?invariant=

extracted_from_files

URL

detected URL: http://www.w3.org/XML/1998/namespace

XIOC detected URL: http://www.w3.org/XML/1998/namespace

extracted_from_files

Domain

detected Domain: a.map

XIOC detected Domain: a.map

extracted_from_files

Domain

detected Domain: i.map

XIOC detected Domain: i.map

extracted_from_files

Domain

detected Domain: s.map

XIOC detected Domain: s.map

extracted_from_files

Domain

detected Domain: c.state.next

XIOC detected Domain: c.state.next

extracted_from_files

Domain

detected Domain: c.values.next

XIOC detected Domain: c.values.next

extracted_from_files

Domain

detected Domain: c.array.next

XIOC detected Domain: c.array.next

extracted_from_files

Domain

detected Domain: r.progressive

XIOC detected Domain: r.progressive

extracted_from_files

Domain

detected Domain: e.search

XIOC detected Domain: e.search

extracted_from_files

Domain

detected Domain: t.current.next

XIOC detected Domain: t.current.next

extracted_from_files

Domain

detected Domain: e.select

XIOC detected Domain: e.select

extracted_from_files

Domain

detected Domain: subjects.state.next

XIOC detected Domain: subjects.state.next

extracted_from_files

Domain

detected Domain: t.watch

XIOC detected Domain: t.watch

extracted_from_files

Domain

detected Domain: t.map

XIOC detected Domain: t.map

extracted_from_files

Domain

detected Domain: subjects.values.next

XIOC detected Domain: subjects.values.next

extracted_from_files

Domain

detected Domain: x.call

XIOC detected Domain: x.call

extracted_from_files

Domain

detected Domain: object.is

XIOC detected Domain: object.is

extracted_from_files

Domain

detected Domain: w.data

XIOC detected Domain: w.data

extracted_from_files

Domain

detected Domain: m.data

XIOC detected Domain: m.data

extracted_from_files

Domain

detected Domain: v.data

XIOC detected Domain: v.data

extracted_from_files

Domain

detected Domain: e.state.data

XIOC detected Domain: e.state.data

extracted_from_files

Domain

detected Domain: c.call

XIOC detected Domain: c.call

extracted_from_files

Domain

detected Domain: e.map

XIOC detected Domain: e.map

extracted_from_files

Domain

detected Domain: t.id

XIOC detected Domain: t.id

extracted_from_files

Domain

detected Domain: o.call

XIOC detected Domain: o.call

extracted_from_files

Domain

detected Domain: d.call

XIOC detected Domain: d.call

extracted_from_files

Domain

detected Domain: m.call

XIOC detected Domain: m.call

extracted_from_files

Domain

detected Domain: g.call

XIOC detected Domain: g.call

extracted_from_files

Domain

detected Domain: k.call

XIOC detected Domain: k.call

extracted_from_files

Domain

detected Domain: h.data

XIOC detected Domain: h.data

extracted_from_files

Domain

detected Domain: r.call

XIOC detected Domain: r.call

extracted_from_files

Domain

detected Domain: n.call

XIOC detected Domain: n.call

extracted_from_files

Domain

detected Domain: this.state.data

XIOC detected Domain: this.state.data

extracted_from_files

Domain

detected Domain: t.state.data

XIOC detected Domain: t.state.data

extracted_from_files

Domain

detected Domain: i.state.data

XIOC detected Domain: i.state.data

extracted_from_files

Domain

detected Domain: r.state.data

XIOC detected Domain: r.state.data

extracted_from_files

Domain

detected Domain: n.is

XIOC detected Domain: n.is

extracted_from_files

Domain

detected Domain: e.top

XIOC detected Domain: e.top

extracted_from_files

Domain

detected Domain: e.id-t.id

XIOC detected Domain: e.id-t.id

extracted_from_files

Domain

detected Domain: performance.now

XIOC detected Domain: performance.now

extracted_from_files

Domain

detected Domain: o.now

XIOC detected Domain: o.now

extracted_from_files

Domain

detected Domain: u.now

XIOC detected Domain: u.now

extracted_from_files

Domain

detected Domain: o.data

XIOC detected Domain: o.data

extracted_from_files

Domain

detected Domain: u.next

XIOC detected Domain: u.next

extracted_from_files

Domain

detected Domain: r.compare

XIOC detected Domain: r.compare

extracted_from_files

Domain

detected Domain: e.id

XIOC detected Domain: e.id

extracted_from_files

Domain

detected Domain: n.next

XIOC detected Domain: n.next

extracted_from_files

Domain

detected Domain: i.name

XIOC detected Domain: i.name

extracted_from_files

Domain

detected Domain: a.style

XIOC detected Domain: a.style

extracted_from_files

Domain

detected Domain: f.memoizedprops.style

XIOC detected Domain: f.memoizedprops.style

extracted_from_files

Domain

detected Domain: h.call

XIOC detected Domain: h.call

extracted_from_files

Domain

detected Domain: f.next

XIOC detected Domain: f.next

extracted_from_files

Domain

detected Domain: object.prototype.tostring.call

XIOC detected Domain: object.prototype.tostring.call

extracted_from_files

Domain

detected Domain: u.call

XIOC detected Domain: u.call

extracted_from_files

Domain

detected Domain: r.data

XIOC detected Domain: r.data

extracted_from_files

Domain

detected Domain: ih.next

XIOC detected Domain: ih.next

extracted_from_files

Domain

detected Domain: iv.next

XIOC detected Domain: iv.next

extracted_from_files

Domain

detected Domain: a.next

XIOC detected Domain: a.next

extracted_from_files

Domain

detected Domain: i.next

XIOC detected Domain: i.next

extracted_from_files

Domain

detected Domain: e.next

XIOC detected Domain: e.next

extracted_from_files

Domain

detected Domain: o.next

XIOC detected Domain: o.next

extracted_from_files

Domain

detected Domain: l.next

XIOC detected Domain: l.next

extracted_from_files

Domain

detected Domain: s.next

XIOC detected Domain: s.next

extracted_from_files

Domain

detected Domain: c.next

XIOC detected Domain: c.next

extracted_from_files

Domain

detected Domain: b.data

XIOC detected Domain: b.data

extracted_from_files

Domain

detected Domain: t.data

XIOC detected Domain: t.data

extracted_from_files

Domain

detected Domain: a.data

XIOC detected Domain: a.data

extracted_from_files

Domain

detected Domain: t.name

XIOC detected Domain: t.name

extracted_from_files

Domain

detected Domain: r.name

XIOC detected Domain: r.name

extracted_from_files

Domain

detected Domain: ae.next

XIOC detected Domain: ae.next

extracted_from_files

Domain

detected Domain: r.next

XIOC detected Domain: r.next

extracted_from_files

Domain

detected Domain: e.target

XIOC detected Domain: e.target

extracted_from_files

Domain

detected Domain: array.prototype.slice.call

XIOC detected Domain: array.prototype.slice.call

extracted_from_files

Domain

detected Domain: this.target

XIOC detected Domain: this.target

extracted_from_files

Domain

detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain

detected Domain: e.data

XIOC detected Domain: e.data

extracted_from_files

Domain

detected Domain: t.select

XIOC detected Domain: t.select

extracted_from_files

Domain

detected Domain: t.target

XIOC detected Domain: t.target

extracted_from_files

Domain

detected Domain: e.call

XIOC detected Domain: e.call

extracted_from_files

Domain

detected Domain: e.name

XIOC detected Domain: e.name

extracted_from_files

Domain

detected Domain: a.call

XIOC detected Domain: a.call

extracted_from_files

Domain

detected Domain: i.call

XIOC detected Domain: i.call

extracted_from_files

Domain

detected Domain: e.style

XIOC detected Domain: e.style

extracted_from_files

Domain

detected Domain: t.style

XIOC detected Domain: t.style

extracted_from_files

Domain

detected Domain: t.is

XIOC detected Domain: t.is

extracted_from_files

Domain

detected Domain: this.id

XIOC detected Domain: this.id

extracted_from_files

Domain

detected Domain: l.call

XIOC detected Domain: l.call

extracted_from_files

Domain

detected Domain: s.call

XIOC detected Domain: s.call

extracted_from_files

Domain

detected Domain: v.call

XIOC detected Domain: v.call

extracted_from_files

Domain

detected Domain: t.next

XIOC detected Domain: t.next

extracted_from_files

Domain

detected Domain: t.call

XIOC detected Domain: t.call

extracted_from_files

Domain

detected Domain: y.call

XIOC detected Domain: y.call

extracted_from_files

Domain

detected Domain: tc1ea3ef75ec17693853511ac86c89dc7.e3b80b02ab094b6d52d395c0de3559e7.addons.mozilla.org

XIOC detected Domain: tc1ea3ef75ec17693853511ac86c89dc7.e3b80b02ab094b6d52d395c0de3559e7.addons.mozilla.org

extracted_from_files

Domain

detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain

detected Domain: btn.glass

XIOC detected Domain: btn.glass

extracted_from_files

Domain

detected Domain: input.tab

XIOC detected Domain: input.tab

extracted_from_files

Domain

detected Domain: tab.tab

XIOC detected Domain: tab.tab

extracted_from_files

Domain

detected Domain: reactjs.org

XIOC detected Domain: reactjs.org

extracted_from_files

Domain

detected Domain: jedwatson.github.io

XIOC detected Domain: jedwatson.github.io

extracted_from_files

detected IP: ea::

XIOC detected IP: ea::

extracted_from_files

detected IP: ::bac

XIOC detected IP: ::bac

extracted_from_files

detected IP: ed::

XIOC detected IP: ed::

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: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Hash

detected MD5 Hash: e3b80b02ab094b6d52d395c0de3559e7

XIOC detected MD5 Hash: e3b80b02ab094b6d52d395c0de3559e7

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Epubkit Connect is a Firefox Add-ons extension published by Randynamic Studio. Version 0.0.2 has been analyzed by the Risky Plugins security platform, receiving a risk score of 41.19/100 (MEDIUM risk) based on 132 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: 11 finding(s)
Medium: 121 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

Epubkit Connect is published by Randynamic Studio on the Firefox Add-ons marketplace. The extension has approximately 25 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.