CVE-2025-53690
CRITICAL CISA KEV EPSS 97.7%
Published Sep 3, 20259mo ago · Modified Jun 17, 20261w ago
9.0 CVSS 3.1
Published Sep 3, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Sep 4, 2025 9mo ago
KEV Due Sep 25, 2025 278d overdue
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High
Threat Intelligence
CISA Known Exploited Overdue 278d
- Added
- Sep 4, 2025
- Due
- Sep 25, 2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS Exploit Probability
97.7% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available
Weaknesses 1
CWE-502 Deserialization of Untrusted Data Validation
Affected Products 4
References 3
- cloud.google.com https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerability
- support.sitecore.com https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.