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SECURITY REPORT · EXTENSHI SCAN

Browser JS Error Icon

Firefox extension·by c4software
49
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

Likely abandonedsafety score reduced by 30 points

  • No update in over 6 years
Why this matters

An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

Browser JS Error Icon's safety score vs every other extension we've scanned
Globally
48.53%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
38.53%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
5
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
2
median 4All declared perms
Critical findings
1
median 2Severity = Critical

Findings breakdown

Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected

Permissions requested

2 risky permissions of 2 total
2 critical permissions require attention
This extension requests 2 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

Critical
Access to all websites(optional)

Can read and modify content on every website you visit

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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