SECURITY REPORT · EXTENSHI SCAN
Markdown Viewer Webext
Firefox extension·by Cimbali
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
Markdown Viewer Webext's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
Riskier ←→ Safer
Ranked against 401,999 extensions
In Appearance
4%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,896 appearance extensions
Findings
48
median 3Lower is safer
Critical findings
8
median 0Severity = Critical
Permissions
25
median 2Declared in manifest
Active users
6694
median 3vs category median
Findings breakdown
Automated security signal · 48 distinct issues across 6 severities
48
distinct issues
detected
detected
Scanners reported 49 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical817%
High36%
Needs Review00%
Medium2756%
Low1021%
Info00%
Permissions requested
25 permissions declared
No risky permissions
25 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*/*.markdown
No additional information available.
Info
*://*/*.md
No additional information available.
Info
*://*/*.mdown
No additional information available.
Info
*://*/*.mdwn
No additional information available.
Info
*://*/*.mkd
No additional information available.
Info
*://*/*.mkdn
No additional information available.
Info
*://*/*.MARKDOWN
No additional information available.
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Scan performed by extenshi.io · Aug 17, 2026
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