SECURITY REPORT · EXTENSHI SCAN
Rex: AI Writing Assistant
Chrome extension·by EXGENLAB
74
/ 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
Rex: AI Writing Assistant's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
29%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
21
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
19
median 14vs category median
Findings breakdown
Automated security signal · 21 distinct issues across 6 severities
21
distinct issues
detected
detected
Scanners reported 23 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High210%
Needs Review00%
Medium1152%
Low314%
Info524%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Are you the author of Rex: AI Writing Assistant?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Rex: AI Writing Assistant's live security score on GitHub or in your docs
Scan performed by extenshi.io · Oct 15, 2026
Browser extensions made transparent.