SECURITY REPORT · EXTENSHI SCAN
WebRequest Rules
Firefox extension·by sycxyc
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
WebRequest Rules's safety score vs every other extension we've scanned
Globally
51.38%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
41.38%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
50
median 38Lower is safer
Risky permissions
8
median 1Critical + high perms
Total permissions
19
median 4All declared perms
Critical findings
2
median 2Severity = Critical
Findings breakdown
Automated security signal · 50 findings across 5 severities
50
findings
detected
detected
Critical24%
High510%
Medium3876%
Low510%
Info00%
Permissions requested
8 risky permissions of 19 total
1 critical permission require attention
This extension requests 19 permissions in total. 8 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
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 browser cookies(optional)
Can read and modify cookies, potentially accessing login sessions
High
Manage downloads(optional)
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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