critical9.0Known exploited
CVE-2025-53690
Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-09-04. Federal due date: 2025-09-25.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Sitecore | Experience Commerce | through 9.0 |
| Sitecore | Experience Manager | through 9.0 |
| Sitecore | Experience Platform | through 9.0 |
| Sitecore | Managed Cloud | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- 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