CWE-CWE-502

Sitecore XM/XP Insecure Deserialization (CVE-2025-27218)

Severity:
Critical
Summary

Due to the insecure BinaryFormatter deserialization vulnerability in Sitecore XM/XP, an unauthenticated attacker might send a specially-crafted serialized request to execute arbitrary code on the system.

Impact

Successful attacks of this vulnerability can result in takeover of Sitecore.

Remediation

Upgrade to the latest version of Sitecore

Required Skills for Successful Exploitation
Actions To Take
Classifications

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