SECURITY REPORT · EXTENSHI SCAN
Tanish Ultimate Browser Toolkit
Firefox extension·by Tanish Sareen
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
Tanish Ultimate Browser Toolkit's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
6%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
50
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
22
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 50 distinct issues across 6 severities
50
distinct issues
detected
detected
Scanners reported 69 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical24%
High1122%
Needs Review00%
Medium3672%
Low12%
Info00%
Permissions requested
8 risky permissions of 22 total
2 critical permissions require attention
This extension requests 22 permissions in total. 8 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
Critical
Communicate with desktop apps(optional)
Can exchange messages with applications installed on your computer
High
View open tabs
Can see URLs and titles of all open tabs
High
Observe web requests
Can monitor all network requests made by the browser
High
Manage downloads
Can initiate downloads and access your download history
High
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
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
Show notifications
Can display desktop notifications outside the browser
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Access session data
Can query and restore recently closed tabs and windows
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Scan performed by extenshi.io · Aug 24, 2026
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