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CVE-2025-53691

Sitecore Experience Remote Code Execution through Insecure Deserialization

CVSS 8.8 HIGHEPSS 1.4%CWE-502
Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Sitecore · Experience Manager (XM)Sitecore · Experience Platform (XP)

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References
https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667