CVE detail
CVE-2019-9874 — Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
Published 2025-03-26 · Modified 2025-03-26 · Source kev
HIGH
severity
CVSS-derived band
0.8386
EPSS probability
exploitation probability, 30d
100.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2025-04-16
⚠ Actively exploited in the wild — CISA KEV listed 2025-03-26, federal remediation due 2025-04-16.
Description
Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References