SECURITY REPORT · EXTENSHI SCAN
Codex Browser Extension
Firefox extension·by SG
83
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
Codex Browser Extension's safety score vs every other extension we've scanned
Globally
37%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Tabs
27%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,654 tabs extensions
Findings
25
median 7Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
0
median 3Declared in manifest
Active users
63
median 3vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Scanners reported 27 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High312%
Needs Review00%
Medium1456%
Low624%
Info28%
Permissions requested
0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.
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Scan performed by extenshi.io · Oct 22, 2026
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