CVE-2025-53690

CRITICAL CISA KEV EPSS 97.7%
Published Sep 3, 20259mo ago · Modified Jun 17, 20261w ago
9.0 CVSS 3.1
Critical
Find Similar
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
9.0
Exploitability
2.2
Impact
6.0
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

VendorProductVersionRange
sitecoreexperience_commerce* ≤9.0
sitecoreexperience_manager* ≤9.0
sitecoreexperience_platform* ≤9.0
sitecoremanaged_cloud*any

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.