Firefox Add-ons Verified

Extension

by Vaultys · 1 users
a648698a-0fe5-5931-b9ac-dcc0d1721ce3 | v2.3.4
89/ 100
CRITICAL risk
+10 since v2.3.3
Risk verdict
Do not install

Score-based assessment (critical risk, 89/100). No analyst review available.

Analysis record

Analysed
1 weeks ago
Version
v2.3.4
Artifact
SHA256 A08…C9B
Source
Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

288 detail rows

YARA Rule Matches

14 rules
SeverityRuleHitsFilesMetadata
HIGHsupply chain sourcemap appended iife 1
next/static/chunks/main-f87e31e976f0f6c1.js
-
LOWcredential env files 12
anti-phishing.jsnext/static/chunks/f9b0cdf8-0bd1da5a3f1843a3.jsnext/static/chunks/aaea2bcf-5f8d0a5db05682ca.js +9 more
-
LOWpostinstall persistence mechanism 14
next/static/chunks/794-0f9066590949b38d.jsnext/static/chunks/4bd1b696-b4325dd67c43cad2.jsconnect.js +11 more
-
LOWLocalStorageShouldNotBeUsed 11
next/static/chunks/571-1d1a393e65565fd5.jscontext-menu.jsnext/static/chunks/f9b0cdf8-0bd1da5a3f1843a3.js +8 more
-
LOWpostinstall file manipulation 37
next/static/chunks/377-d120124b3b772062.jsscript_8aad7f80-9803-4226-990b-39371b07885a.jsnext/static/chunks/598-478e79a5a41bffe8.js +34 more
-
LOWpostinstall obfuscation 29
next/static/chunks/4bd1b696-b4325dd67c43cad2.jsnext/static/chunks/app/page-92f3e7b8a6b3d999.jsnext/static/chunks/framework-a04e87600c0f8de5.js +26 more
-
LOWpostinstall crypto operations 22
next/static/chunks/f9b0cdf8-0bd1da5a3f1843a3.jsnext/static/chunks/335ff3eb-6e595083df998a90.jsconnect.js +19 more
-
LOWpostinstall system command 55
script_e79177d2-85fb-4f18-b1d7-b8a080965775.jsscript_116871e8-b27d-479e-a39f-b1c9b60c4b13.jsscript_d736bdbb-d6cc-4e77-998f-ec84db0ef42b.js +52 more
-
LOWpostinstall environment access 2
META-INF/manifest.mfMETA-INF/cose.manifest
-
LOWpostinstall registry modification 9
blacklist.jsnext/static/chunks/f9b0cdf8-0bd1da5a3f1843a3.jsbackground.js +6 more
-
LOWpostinstall network communication 30
next/static/chunks/app/page-92f3e7b8a6b3d999.jsnext/static/chunks/f9b0cdf8-0bd1da5a3f1843a3.jsnext/static/chunks/597-7d9d6ae17158c8f4.js +27 more
-
LOWpostinstall file download 30
next/static/chunks/794-0f9066590949b38d.jsnext/static/chunks/main-f87e31e976f0f6c1.jsnext/static/chunks/app/dashboard/page-93c31e5079d92e46.js +27 more
-
LOWNoUseWeakRandom 13
submit.jscontext-menu.jsnext/static/chunks/polyfills-42372ed130431b0a.js +10 more
-
LOWNoUseEval 1
next/static/chunks/884-9b6390805333c358.js
-

Network Indicators

Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.

1,192 total
...

Network indicators are queued for lazy loading

Scroll this section into view to load the detailed rows.

Publisher Evidence

Limited evidence

Vaultys

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Firefox does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

42
Noisy-finding weight
x1.00
Publisher domain
vaultys.com
Observed
Store verification signal
Limited signal
Limited
Extension portfolio
2
Portfolio

13 evidence rows available.

Finding Categories

1
Malware Signatures
12
Obfuscation
9
Network
1,192
IoC Indicators

YARA Rules Matched

14 rules(266 hits)
supply chain sourcemap appended iife credential env files postinstall persistence mechanism LocalStorageShouldNotBeUsed postinstall file manipulation postinstall obfuscation postinstall crypto operations postinstall system command postinstall environment access postinstall registry modification postinstall network communication postinstall file download NoUseWeakRandom NoUseEval

Requested Permissions

11 permissions
https://*/*
Dangerous
<all_urls>

Access and modify data on every website you visit

Dangerous
webRequest

Intercept, modify, and block all network requests

High
activeTab
Medium
storage
Low
scripting
Low
contextMenus
Low
menus.overrideContext
Low
file:///*/*
Low
http://localhost:3000/*
Low
windows
Low

Security Analysis Summary

Security Analysis Overview

This extension is a Firefox Add-ons extension published by Vaultys. Version 2.3.4 has been analyzed by the Risky Plugins security platform, receiving a risk score of 88.7/100 (CRITICAL risk) based on 1480 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

  • Critical: 1 finding(s)
  • High: 2 finding(s)
  • Medium: 1212 finding(s)
  • Low: 265 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

This extension is published by Vaultys on the Firefox Add-ons marketplace. The extension has approximately 1 users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Firefox version history

Risk trend by version

4 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.

Selected
89
Change since first
+28
Change from previous
+10
Versions:
First analyzed version
2.3.1
May 30, 2026
Risk range
61 to 89
Across analyzed versions
Latest analyzed version
2.3.4
Sep 9, 2026
Selected version
critical
Version
v2.3.4
1 weeks ago
Risk score
89
Findings
1480
Change vs previous
+10

Pick any point on the chart to explore that version's code below.

Frequently Asked Questions