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SECURITY REPORT · EXTENSHI SCAN

Vigil Page Change Monitor

Firefox extension·by Zachery
77
/ 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

Vigil Page Change Monitor's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,522 extensions
In Web Development
18%of web development extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 15,261 web development extensions
Findings
11
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
11
median 2vs category median

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected

Permissions requested

2 risky permissions of 6 total
2 high-risk permissions require attention
This extension requests 6 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
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
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

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 25, 2026
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