SECURITY REPORT · EXTENSHI SCAN
Dr.Web LinkChecker
Firefox extension·by Doctor Web Anti-Virus
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
Dr.Web LinkChecker's safety score vs every other extension we've scanned
Globally
18%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
13%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
122
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 4Declared in manifest
Active users
2208
median 3vs category median
Findings breakdown
Automated security signal · 122 distinct issues across 6 severities
122
distinct issues
detected
detected
Critical22%
High54%
Needs Review00%
Medium10384%
Low43%
Info87%
Permissions requested
5 risky permissions of 7 total
5 high-risk permissions require attention
This extension requests 7 permissions in total. 5 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
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 4, 2026
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