SECURITY REPORT · EXTENSHI SCAN
History Cleaner for Firefox
Firefox extension·by codehemu
91
/ 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
History Cleaner for Firefox's safety score vs every other extension we've scanned
Globally
65%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,522 extensions
In Privacy & Security
51%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,494 privacy & security extensions
Findings
7
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 4Declared in manifest
Active users
11
median 3vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium686%
Low114%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Delete browsing data
Can remove browsing history, cookies, cache, and other browsing data
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 10, 2026
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