CVE-2019-9875 — Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
2025-03-26 • CISA Known Exploited Vulnerability
[event] Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Sitecore |
| Product | CMS and Experience Platform (XP) |
| CWE | CWE-502 |
| CVE ID | CVE-2019-9875 |
| Date Added | 2025-03-26 |
| Due Date | 2025-04-16 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2025-04-16