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SECURITY REPORT · EXTENSHI SCAN

VHS - Dev Tools

Firefox extension·by Vihat Software
34
/ 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
This extension
Riskier ←→ Safer
Ranked against 403,022 extensions
In Web Development
0%of web development extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 15,314 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 2vs category median

Findings breakdown

Automated security signal · 188 distinct issues across 6 severities
188
distinct issues
detected
Scanners reported 197 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

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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