SECURITY REPORT · EXTENSHI SCAN
Koala Zen
Firefox extension·by 123informatique
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
Koala Zen's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Games Entertainment
7%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 8,778 games entertainment extensions
Findings
166
median 4Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
1
median 4vs category median
Findings breakdown
Automated security signal · 166 distinct issues across 6 severities
166
distinct issues
detected
detected
Scanners reported 191 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical32%
High42%
Needs Review00%
Medium15593%
Low42%
Info00%
Permissions requested
4 risky permissions of 9 total
4 high-risk permissions require attention
This extension requests 9 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Schedule tasks
Can schedule periodic background tasks
Low
Detect idle state
Can detect when your machine is idle, active, or locked
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Aug 16, 2026
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