CVE-2025-53690

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.

Published: Sep 3, 2025
Updated: Nov 4, 2025
CVE: CVE-2025-53690
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9
AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CWEs:

CWE-502

OWASP TOP 10:

A8 - Insecure Deserialization

Affected Software
References

Software	From	Fixed in
sitecore / experience_commerce	-	9.0.x
sitecore / experience_manager	-	9.0.x
sitecore / experience_platform	-	9.0.x

https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerability
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690

Vulnerability Database

CVE-2025-53690

Deep Security Visibility Without the Complexity