SECURITY REPORT · EXTENSHI SCAN
/archive for Slack
Firefox extension·by SlashTools
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
/archive for Slack's safety score vs every other extension we've scanned
Globally
14%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,712 extensions
In Privacy & Security
7%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 23,837 privacy & security extensions
Findings
15
median 4Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
0
median 4vs category median
Findings breakdown
Automated security signal · 15 findings across 5 severities
15
findings
detected
detected
Critical320%
High00%
Medium1173%
Low17%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
Info
https://slack.com/*
No additional information available.
Info
https://*.slack.com/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026
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