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Cover image for CVE-2025-53690: Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
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Posted on • Originally published at scyscan.com

CVE-2025-53690: Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

CVE ID

CVE-2025-53690

Vulnerability Name

Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

  • Project: Sitecore
  • Product: Multiple Products

Date

  • Date Added: 2025-09-04
  • Due Date: 2025-09-25

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.

Known To Be Used in Ransomware Campaigns?

Unknown

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.

Additional Notes

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

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