SECURITY REPORT · EXTENSHI SCAN
Mubi Score
Firefox extension·by Gergely Imreh
64
/ 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 5 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
Mubi Score's safety score vs every other extension we've scanned
Globally
75%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Appearance
43%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,944 appearance extensions
Findings
5
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
2
median 3vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium360%
Low240%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://www.omdbapi.com/
No additional information available.
Info
https://mubi.com/showing
No additional information available.
Info
https://mubi.com/*/showing
No additional information available.
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Scan performed by extenshi.io · Aug 18, 2026
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