SECURITY REPORT · EXTENSHI SCAN
Prometheus Formatter
Firefox extension·by Frederic Hemberger
98
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Prometheus Formatter's safety score vs every other extension we've scanned
Globally
89%of extensions carry more risk
Riskier ←→ Safer
Ranked against 421,529 extensions
In Web Development
89%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 15,447 web development extensions
Findings
3
median 9Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
162
median 3vs category median
Findings breakdown
Automated security signal · 3 distinct issues across 6 severities
3
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium133%
Low267%
Info00%
Permissions requested
2 risky permissions of 3 total
2 high-risk permissions require attention
This extension requests 3 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
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Oct 22, 2026
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