CVE-2025-53690
Sitecore Products ViewState Deserialization Vulnerability
KEVCRITICAL 9.0EPSS 60.6%
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.
- Affected
- Sitecore · Experience Manager (XM) · Experience Platform (XP)
- CVSS v3.1 CNA
- 9.0 CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - EPSS
- 60.60% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2025-09-04
- Published
- 2025-09-03
- Updated
- 2026-02-26
Proof-of-concept exploits (2)
- rxerium/CVE-2025-536905★ · 2025-10-14
- ErikLearningSec/CVE-2025-53690-POC8★ · 2025-11-05
Security advisories
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865
- https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-d…