SECURITY REPORT · EXTENSHI SCAN
AO3 QOF
Firefox extension·by herino
0
/ 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
AO3 QOF's safety score vs every other extension we've scanned
Globally
18%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Other
6%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 20,224 other extensions
Findings
30
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
8
median 2vs category median
Findings breakdown
Automated security signal · 30 findings across 5 severities
30
findings
detected
detected
Critical13%
High13%
Medium2893%
Low00%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://archiveofourown.org/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026
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