CVE-2023-5771: Proofpoint Enterprise Protection Cross-Site-Scripting in AdminUI via Email Subject Vulnerability | Proofpoint US

Proofpoint Enterprise Protection Cross-Site-Scripting in AdminUI via Email Subject Vulnerability, CVE-2023-5771

Advisory ID: PFPT-SA-2023-0010

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.

Vulnerability Information

This vulnerability is identified by CVE-2023-5771. Proofpoint has released patches to address this issue.

This vulnerability has been assigned a CVSS score of 6.1 MEDIUM:

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Fixed Software

Proofpoint has released fixed software versions:

8.20.0 patch 4796
8.18.6 patch 4795

All versions below the listed patch levels are vulnerable, including end-of-life software. The fixed software versions are now available through the customer support portal.

Proofpoint On-Demand Customers

No action is required. Applicable fixes have already been deployed by Proofpoint.

Proofpoint On-Premises Customers

If you are running a supported version that is configured to deploy releases automatically, no action is required. Applicable fixes have been automatically deployed.

For on-premise environments that are configured to manually apply releases, install the applicable release as noted above.

If you are running an end of life release please upgrade to a supported release as soon as possible.

For any questions or concerns please contact Proofpoint Support.

URL

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

Revision History

Version

Description

Section

Date

1.0

Initial Release

November 3, 2023

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