SECURITY REPORT · EXTENSHI SCAN
Fullscreen Anything
Firefox extension·by joyov
68
/ 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
Fullscreen Anything's safety score vs every other extension we've scanned
Globally
12%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,632 extensions
In Other
4%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,711 other extensions
Findings
27
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
258
median 2vs category median
Findings breakdown
Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected
detected
Critical27%
High27%
Needs Review00%
Medium1659%
Low726%
Info00%
Permissions requested
2 risky permissions of 2 total
2 high-risk permissions require attention
This extension requests 2 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
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Scan performed by extenshi.io · Aug 7, 2026
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