SECURITY REPORT · EXTENSHI SCAN
MediaGrab
Firefox extension·by ostnr
73
/ 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
MediaGrab's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Social & Communication
9%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,675 social & communication extensions
Findings
22
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
20
median 3vs category median
Findings breakdown
Automated security signal · 22 distinct issues across 6 severities
22
distinct issues
detected
detected
Scanners reported 29 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High418%
Needs Review00%
Medium941%
Low941%
Info00%
Permissions requested
2 risky permissions of 10 total
2 high-risk permissions require attention
This extension requests 10 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://x.com/*
No additional information available.
Info
*://*.x.com/*
No additional information available.
Info
*://twitter.com/*
No additional information available.
Info
*://*.twitter.com/*
No additional information available.
Info
*://*.twimg.com/*
No additional information available.
Info
*://video.twimg.com/*
No additional information available.
Info
*://mobile.twitter.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 17, 2026
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