SECURITY REPORT · EXTENSHI SCAN
Extension Update Checker
Firefox extension·by kgersen
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Extension Update Checker's safety score vs every other extension we've scanned
Globally
97.18%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
87.18%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
3
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
6
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 3 findings across 5 severities
3
findings
detected
detected
Critical00%
High00%
Medium267%
Low133%
Info00%
Permissions requested
2 risky permissions of 6 total
2 critical permissions require attention
This extension requests 6 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
Critical
Access to all websites(optional)
Can read and modify content on every website you visit
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Custom menus
Can add custom items to the browser context menu
Info
https://versioncheck.addons.mozilla.org/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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