CVE-2025-53691

Sitecore Experience Remote Code Execution through Insecure Deserialization

Published: Sep 3, 2025Updated: Sep 8, 2025 Sources: CVE List NVDCWE-502

8.8HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-502

Affected Products

Sitecore

commercialaka experience manager, experience platform, sitecore managed cloud

Experience Manager (XM)On-premWeb App

Web & CMS Plugins / cms-core

Experience Platform (XP)On-premWeb App

Web & CMS Plugins / cms-core

experience commerceOn-premWeb App

Web & CMS Plugins / ecommerce-platform

experience managerOn-premWeb App

Web & CMS Plugins / cms-core

experience platformOn-prem

Web & CMS Plugins / cms-core

managed cloudSaaSSaaS Service

Cloud & SaaS / saas-application

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Execution

Initial Access

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References

https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/

labs.watchtowr.com

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667

support.sitecore.com

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