SECURITY REPORT · EXTENSHI SCAN
Onion Viewer
Firefox extension·by HeckerMaster
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
Onion Viewer's safety score vs every other extension we've scanned
Globally
77.51%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
67.51%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
6
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
2
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Scanners reported 10 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical117%
High117%
Needs Review00%
Medium233%
Low233%
Info00%
Permissions requested
2 risky permissions of 2 total
2 high-risk permissions require attention
This extension requests 2 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Observe web requests
Can monitor all network requests made by the browser
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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