CVE-2025-53691 HIGH

CVE-2025-53691: Sitecore Experience Remote Code Execution through Insecure Deserialization

Vendor Sitecore
Product Experience Manager (XM)
Weakness CWE-502 · Unsafe deserialization
Published September 3, 2025
Last update September 3, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.

Key dates

02Disclosure timeline

September 3, 2025 CVE published
September 3, 2025 Record updated