SECURITY REPORT · EXTENSHI SCAN
Bezel — Responsive Tester & Device Emulator
Firefox extension·by Alexander Hagenah
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
Bezel — Responsive Tester & Device Emulator's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
Riskier ←→ Safer
Ranked against 166,108 extensions
In Web Development
2%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 10,881 web development extensions
Findings
29
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
2
median 3vs category median
Findings breakdown
Automated security signal · 29 distinct issues across 6 severities
29
distinct issues
detected
detected
Scanners reported 30 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical13%
High414%
Needs Review00%
Medium2379%
Low13%
Info00%
Permissions requested
5 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 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
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
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Scan performed by extenshi.io · Jul 30, 2026
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