CVE-2019-9874: Sitecore CMS and Experience Platform (XP) Deserialization
Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability. 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.
- CISA KEV-listed (remediation due 2025-04-16)
- EPSS 87.6% (99.5% percentile)