SECURITY REPORT · EXTENSHI SCAN
Zen Slack Router
Firefox extension·by goosebumps
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
Zen Slack Router's safety score vs every other extension we've scanned
Globally
18%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
13%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
13
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 4Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
detected
Critical215%
High538%
Needs Review00%
Medium538%
Low18%
Info00%
Permissions requested
5 risky permissions of 7 total
1 critical permission require attention
This extension requests 7 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
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
View open tabs
Can see URLs and titles of all open tabs
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Container tabs
Can manage Firefox container tabs and their identities
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Scan performed by extenshi.io · Aug 25, 2026
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