Is FEPWeb CMS Digital Signature Extension safe?

Medium risk

Legitimate digital signature extension with postMessage origin validation vulnerability that could allow malicious websites to interact with the native messaging interface.

FEPWeb do Brasilv1.3.7Chrome Web Store
0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

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Updated 3 May 2026bcellnicpceplkigjnldelfglfmomhon