SECURITY REPORT · EXTENSHI SCAN
Disable WebP Images
Firefox extension·by John Galt
84
/ 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
Disable WebP Images's safety score vs every other extension we've scanned
Globally
51%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,560 extensions
In Web Development
39%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 15,397 web development extensions
Findings
5
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
195
median 3vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical120%
High120%
Needs Review00%
Medium240%
Low120%
Info00%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Oct 21, 2026
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