SECURITY REPORT · EXTENSHI SCAN
AWS Signer Browser
Firefox extension·by Frederick Zhang
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
AWS Signer Browser's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 122,375 extensions
In Other
3%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 29,858 other extensions
Findings
67
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
28
median 2vs category median
Findings breakdown
Automated security signal · 67 findings across 5 severities
67
findings
detected
detected
Critical23%
High34%
Medium6191%
Low11%
Info00%
Permissions requested
4 risky permissions of 7 total
1 critical permission require attention
This extension requests 7 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites(optional)
Can read and modify content on every website you visit
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
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
Medium
Show notifications
Can display desktop notifications outside the browser
Info
*://*.amazonaws.com/*
No additional information available.
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Scan performed by extenshi.io · Jul 18, 2026
Browser extensions made transparent.