AUGUST 4, 2026
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Case File

CVE-2023-5771

MEDIUM · CVSS 6.1 EPSS 0.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-11-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. Exploitation may require the attacker to be authenticated.

CVE
CVE-2023-5771
Severity
MEDIUM
CVSS
6.1
EPSS
0.34%

Original NVD Description

Proofpoint Enterprise Protection contains a stored XSS vulnerability in the AdminUI. An unauthenticated attacker can send a specially crafted email with HTML in the subject which triggers XSS when viewing quarantined messages.  This issue affects Proofpoint Enterprise Protection: from 8.20.0 before patch 4796, from 8.18.6 before patch 4795 and all other prior versions.

Related CVEs

Other vulnerabilities affecting the same vendor(s)