SECURITY REPORT · EXTENSHI SCAN
URLCheck
Firefox extension·by Cramer Companies LLC
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
URLCheck's safety score vs every other extension we've scanned
Globally
15%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Make Chrome Yours
12%of make chrome yours extensions carry more risk
Riskier ←→ Safer
Ranked against 22,985 make chrome yours extensions
Findings
17
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 2Declared in manifest
Active users
0
median 18vs category median
Findings breakdown
Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected
detected
Scanners reported 21 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical16%
High424%
Needs Review00%
Medium1165%
Low16%
Info00%
Permissions requested
5 risky permissions of 8 total
2 critical permissions require attention
This extension requests 8 permissions in total. 5 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
Access to all websites(optional)
Can read and modify content on every website you visit
High
Observe web requests
Can monitor all network requests made by the browser
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 6, 2026
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