CVE-2025-53690

Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

Sitecore — Multiple Products

Added to KEV catalog: 4 September 2025
Federal remediation due date: 25 September 2025
Weakness classification (CWE): CWE-502

CISA Description

Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud contain a deserialization of untrusted data vulnerability involving the use of default machine keys. This flaw allows attackers to exploit exposed ASP.NET machine keys to achieve remote code execution.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53690

View on NVD View on MITRE CVE View full CISA catalog

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