SECURITY REPORT · EXTENSHI SCAN
VHS - Dev Tools
Firefox extension·by Vihat Software
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
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
VHS - Dev Tools's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 368,615 extensions
In Web Development
0%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 14,206 web development extensions
Findings
188
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 188 distinct issues across 6 severities
188
distinct issues
detected
detected
Scanners reported 197 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High105%
Needs Review00%
Medium10455%
Low6736%
Info63%
Permissions requested
3 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 permissions in total. 3 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
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
Store local data
Can save data locally in the browser for persistence
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 24, 2026
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