A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2019-9874

Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability

Published
2025-03-26
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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