Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

When

2025-09-04 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud contain a deserialization of untrusted data vulnerability involving the use of default machine keys. This flaw allows attackers to exploit exposed ASP.NET machine keys to achieve remote code execution.

Sources

• CISA ↗ · first seen 2025-09-04 00:00 UTC

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