SECURITY REPORT · EXTENSHI SCAN
WhatsApp Web Customizer – Themes, Fonts, Backgrounds & Privacy
Chrome extension·by Muskox Beryl
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
WhatsApp Web Customizer – Themes, Fonts, Backgrounds & Privacy's safety score vs every other extension we've scanned
Globally
48%of extensions carry more risk
Riskier ←→ Safer
Ranked against 371,045 extensions
In Productivity
60%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,348 productivity extensions
Findings
58
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1000
median 14vs category median
Findings breakdown
Automated security signal · 58 distinct issues across 6 severities
58
distinct issues
detected
detected
Scanners reported 72 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium5697%
Low23%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 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
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
Medium
Read clipboard
Can read text and data currently on your clipboard
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 23, 2026
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