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SECURITY REPORT · EXTENSHI SCAN

AO3 Enhancement Suite

Firefox extension·by Loren
52
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

Likely abandonedsafety score reduced by 30 points

  • No update in over 5 years
Why this matters

An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.

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 Enhancement Suite's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 384,209 extensions
In Appearance
16%of appearance extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 18,503 appearance extensions
Findings
15
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
626
median 3vs category median

Findings breakdown

Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected

Permissions requested

1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads

Can initiate downloads and access your download history

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

Info
*://*.archiveofourown.org/*

No additional information available.

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Scan performed by extenshi.io · Sep 18, 2026
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