SECURITY REPORT · EXTENSHI SCAN
Skype Web for Firefox
Firefox extension·by Newbyte
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
Likely abandonedsafety score reduced by 30 points
- No update in over 7 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
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
Skype Web for Firefox's safety score vs every other extension we've scanned
Globally
55%of extensions carry more risk
Riskier ←→ Safer
Ranked against 368,615 extensions
In Social & Communication
31%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 12,502 social & communication extensions
Findings
9
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
413
median 4vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Critical00%
High222%
Needs Review00%
Medium333%
Low444%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 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
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Info
https://web.skype.com/*
No additional information available.
Info
https://preview.web.skype.com/*
No additional information available.
Info
https://join.skype.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 24, 2026
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