CVE-2023-5771

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Proofpoint	Proofpoint Enterprise Protection	>= 8.20.0, < patch 4796; >= 8.18.6, < patch 4795; >= 8.0, < 8.18.6

References

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0010Vendor Advisory
https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0010Vendor Advisory

Timeline

Published: Nov 6, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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