SECURITY REPORT · EXTENSHI SCAN
NoHistory
Firefox extension·by QuanMCPC
82
/ 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
NoHistory's safety score vs every other extension we've scanned
Globally
45%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,380 extensions
In Privacy & Security
38%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,476 privacy & security extensions
Findings
15
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
90
median 3vs category median
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Critical00%
High213%
Needs Review00%
Medium1173%
Low213%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browsing history
Can read and modify your complete browsing history
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
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Scan performed by extenshi.io · Aug 20, 2026
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