SECURITY REPORT · EXTENSHI SCAN
Better Coomer/Kemono
Firefox extension·by SirSalamandra
87
/ 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
Better Coomer/Kemono's safety score vs every other extension we've scanned
Globally
57%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,612 extensions
In Other
25%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,744 other extensions
Findings
39
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
135
median 2vs category median
Findings breakdown
Automated security signal · 39 distinct issues across 6 severities
39
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.
Critical00%
High25%
Needs Review00%
Medium3487%
Low38%
Info00%
Permissions requested
1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://coomer.st/*
No additional information available.
Info
https://kemono.cr/*
No additional information available.
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Scan performed by extenshi.io · Oct 17, 2026
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