SECURITY REPORT · EXTENSHI SCAN
Underline.Ai Writing Software
Chrome extension·by Underline.AI
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
Underline.Ai Writing Software's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
17%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
28
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
39
median 14vs category median
Findings breakdown
Automated security signal · 28 distinct issues across 6 severities
28
distinct issues
detected
detected
Scanners reported 32 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical27%
High27%
Needs Review00%
Medium932%
Low1450%
Info14%
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
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
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Scan performed by extenshi.io · Aug 6, 2026
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