SECURITY REPORT · EXTENSHI SCAN
Houdini
Firefox extension·by MarcoBalo
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
Houdini's safety score vs every other extension we've scanned
Globally
36%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
16%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
27
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
5
median 3vs category median
Findings breakdown
Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected
detected
Critical00%
High27%
Needs Review00%
Medium2489%
Low14%
Info00%
Permissions requested
2 risky permissions of 10 total
2 high-risk permissions require attention
This extension requests 10 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Access session data
Can query and restore recently closed tabs and windows
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Custom menus
Can add custom items to the browser context menu
Medium
Container tabs
Can manage Firefox container tabs and their identities
Low
Hide tabs
Can hide or show browser tabs
Low
Schedule tasks
Can schedule periodic background tasks
Low
Customize theme
Can change the browser theme appearance
Low
Manage tab groups
Can create and manage tab groups
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Scan performed by extenshi.io · Aug 11, 2026
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