SECURITY REPORT · EXTENSHI SCAN
Zevr Guard
Firefox extension·by krystasis
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
Zevr Guard's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
6%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
38
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 38 distinct issues across 6 severities
38
distinct issues
detected
detected
Scanners reported 40 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical13%
High718%
Needs Review00%
Medium1950%
Low38%
Info821%
Permissions requested
3 risky permissions of 8 total
3 high-risk permissions require attention
This extension requests 8 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Observe web requests
Can monitor all network requests made by the browser
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
Low
Schedule tasks
Can schedule periodic background tasks
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Low
View blocked request stats
Can see which declarative rules matched network requests
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Scan performed by extenshi.io · Aug 25, 2026
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