SECURITY REPORT · EXTENSHI SCAN
Claude Advance Controls
Firefox extension·by Paul Fernandez
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Claude Advance Controls's safety score vs every other extension we've scanned
Globally
6%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
2%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
27
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected
detected
Critical14%
High1037%
Needs Review00%
Medium1556%
Low14%
Info00%
Permissions requested
4 risky permissions of 8 total
1 critical permission require attention
This extension requests 8 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
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
Add context menu items
Can add custom items to the right-click context menu
Low
Use side panel
Can display content in the browser side panel
Are you the author of Claude Advance Controls?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Claude Advance Controls's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 1, 2026
Browser extensions made transparent.