SECURITY REPORT · EXTENSHI SCAN
Certisign WebSigner
Chrome extension·by Certisign
0
/ 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
Certisign WebSigner's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Make Chrome Yours
3%of make chrome yours extensions carry more risk
Riskier ←→ Safer
Ranked against 3,474 make chrome yours extensions
Findings
78
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
1000000
median 37vs category median
Findings breakdown
Automated security signal · 78 findings across 5 severities
78
findings
detected
detected
Critical11%
High912%
Medium3950%
Low2228%
Info79%
Permissions requested
3 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
High
Manage downloads
Can initiate downloads and access your download history
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
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Scan performed by extenshi.io · Jun 25, 2026
Browser extensions made transparent.