SECURITY REPORT · EXTENSHI SCAN
VKCaptcha
Firefox extension·by Defasium
74
/ 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
VKCaptcha's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,240 extensions
In Social & Communication
10%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,603 social & communication extensions
Findings
21
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
4
median 3vs category median
Findings breakdown
Automated security signal · 21 distinct issues across 6 severities
21
distinct issues
detected
detected
Scanners reported 23 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High524%
Needs Review00%
Medium524%
Low943%
Info210%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://api.vk.com/*
No additional information available.
Info
*://vk.com/*
No additional information available.
Info
*://m.vk.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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