SECURITY REPORT · EXTENSHI SCAN
a11y.css accessibility checker
Firefox extension·by Stephane Deschamps
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
a11y.css accessibility checker's safety score vs every other extension we've scanned
Globally
42%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Other
27%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 29,835 other extensions
Findings
8
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
179
median 2vs category median
Findings breakdown
Automated security signal · 8 findings across 5 severities
8
findings
detected
detected
Critical00%
High113%
Medium675%
Low113%
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
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
Store local data
Can save data locally in the browser for persistence
Info
*://*/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026
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