SECURITY REPORT · EXTENSHI SCAN
Whisper Guard
Firefox extension·by Whisper Security
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
Whisper Guard's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
16%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
19
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
8
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Critical00%
High15%
Needs Review00%
Medium1474%
Low421%
Info00%
Permissions requested
2 risky permissions of 8 total
2 high-risk permissions require attention
This extension requests 8 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
Control proxy settings(optional)
Can route your browser traffic through a proxy server
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
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Schedule tasks
Can schedule periodic background tasks
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Are you the author of Whisper Guard?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Whisper Guard's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 25, 2026
Browser extensions made transparent.