Sitecore Experience Manager (XM) and Experience Platform (XP) 10.4 before KB1002844 allow remote code execution through insecure deserialization.
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Score 5.3 from GitHub Security Advisory published 2025-02-20. NVD baseline CVSS 5.3; sources differ by 0.0.
Sitecore Experience Manager (XM) and Experience Platform (XP) 10.4 before KB1002844 allow remote code execution through insecure deserialization.
February 20, 2025
April 15, 2026
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Sitecore 10.4 - Remote Code Execution (RCE)
Open source ↗Sitecore CVE-2025-27218 BinaryFormatter Deserialization Exploit
Open source ↗Sitecore Experience Manager (XM)/Experience Platform (XP) 10.4 - Insecure Deserialization
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-27218
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.
CWE-94