Cross-site scripting in Proofpoint Enterprise Protection - CVE-2023-5770
Published: January 10, 2024
Vulnerability identifier: #VU85270
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2023-5770
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the email delivery agent. A remote attacker can execute arbitrary HTML code in user's browser in context of vulnerable website via a specially crafted subject.
Affected software
Proofpoint Enterprise Protection
How to mitigate CVE-2023-5770
Install updates from vendor's website.
Proofpoint Enterprise Protection - addressed in versions 8.18.6 patch 4804, 8.20.0 patch 4805, 8.20.2 patch 4809