CVE-2025-53691

HighCVSS 8.8/10Last modified Oct 18, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Sitecore	Experience Manager (XM)	>= 9.0, <= 9.3; >= 10.0, <= 10.4
Sitecore	Experience Platform (XP)	>= 9.0, <= 9.3; >= 10.0, <= 10.4

References

https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/Exploit, Third Party Advisory
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667Vendor Advisory

Timeline

Published: Sep 3, 2025
Last modified: Oct 18, 2026
NVD status: Analyzed

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