SECURITY REPORT · EXTENSHI SCAN
Expire history by days
Firefox extension·by Mak
95
/ 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
Expire history by days's safety score vs every other extension we've scanned
Globally
78%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Privacy & Security
75%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,622 privacy & security extensions
Findings
4
median 10Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
818
median 3vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical00%
High125%
Needs Review00%
Medium250%
Low125%
Info00%
Permissions requested
1 risky permission of 3 total
1 high-risk permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Low
Detect idle state
Can detect when your machine is idle, active, or locked
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Scan performed by extenshi.io · Oct 22, 2026
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