SECURITY REPORT · EXTENSHI SCAN
BestLetter: AI Cover Letters for UpWork
Chrome extension·by BestLetter AI
60
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
BestLetter: AI Cover Letters for UpWork's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,380 extensions
In Productivity
6%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 191,263 productivity extensions
Findings
41
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
729
median 14vs category median
Findings breakdown
Automated security signal · 41 distinct issues across 6 severities
41
distinct issues
detected
detected
Scanners reported 53 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High820%
Needs Review00%
Medium2766%
Low512%
Info12%
Permissions requested
1 risky permission of 1 total
1 high-risk permission require attention
This extension requests 1 permission in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
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Scan performed by extenshi.io · Aug 11, 2026
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