CVE-2023-5770 (published 2024-01-09T22:02:03.839Z)
Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.


Affected products: Vendor: Proofpoint
Product: Proofpoint Enterprise Protection
Versions: 8.20.2, 8.20.0, 8.18.6, 8.0