SECURITY REPORT · EXTENSHI SCAN
Document Previewer
Firefox extension·by Himank
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
Document Previewer's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
12%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
7
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
68
median 2vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Critical114%
High229%
Needs Review00%
Medium343%
Low114%
Info00%
Permissions requested
2 risky permissions of 3 total
2 high-risk permissions require attention
This extension requests 3 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
*://*/*.*
No additional information available.
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Scan performed by extenshi.io · Aug 4, 2026
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