SECURITY REPORT · EXTENSHI SCAN
QueueMark – Read Later for Firefox
Firefox extension·by backstop-dev
0
/ 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
QueueMark – Read Later for Firefox's safety score vs every other extension we've scanned
Globally
73%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
50%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
4
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium375%
Low125%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Custom menus
Can add custom items to the browser context menu
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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Scan performed by extenshi.io · Aug 24, 2026
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