SECURITY REPORT · EXTENSHI SCAN
Nostr Web Archiver
Chrome extension·by fiatjaf
0
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.
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
Nostr Web Archiver's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
0%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
185
median 16Lower is safer
Critical findings
4
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
81
median 14vs category median
Findings breakdown
Automated security signal · 185 distinct issues across 6 severities
185
distinct issues
detected
detected
Scanners reported 219 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical42%
High2916%
Needs Review00%
Medium11462%
Low2715%
Info116%
Permissions requested
3 risky permissions of 7 total
1 critical permission require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Browser debugger access
Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol
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
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
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Scan performed by extenshi.io · Aug 26, 2026
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