Experience Manager (XM) vulnerabilities

3 known vulnerabilities in Experience Manager (XM) from Sitecore. 3 are rated high or critical, and 1 has been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.0 Critical severity

  Sitecore Multiple Products Deserialization of Untrusted Data Exploited

  CVE-2025-53690Sep 3, 2025SitecoreEPSS 60.7%

  Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

• 8.8 High severity

  Experience Manager (XM): Deserialization of Untrusted Data

  CVE-2025-53691Sep 3, 2025SitecoreEPSS 1.64%

  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 Platf

• 8.7 High severity

  Experience Manager (XM): Insufficiently Protected Credentials

  CVE-2025-34139Jul 25, 2025Sitecore

  A vulnerability exists in Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud that could allow an unauthenticated attacker to read arbitrary files. This vulnerability affects all Experience Platform topologie