CVE-2025-53691highCWE-502

CVE-2025-53691: high-severity vulnerability in Sitecore Experience Manager (XM)

Sitecore Experience Remote Code Execution through Insecure Deserialization

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 1.6%
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)
Related CVEs — Sitecore Experience Manager (XM)

In the same product, most dangerous first.

CVE-2025-53690CRITICALSitecore Products ViewState Deserialization VulnerabilityEPSS 60.7%KEVCVE-2025-53693CRITICALHTML Cache Poisoning through Unsafe ReflectionsEPSS 20.3%CVE-2025-53694HIGHInformation Disclosure in ItemServices APIEPSS 6.9%CVE-2015-10142MEDIUMSitecore XP < 8.0 and CMS < 7.2 and < 7.5 File Read via Known PathEPSS 0.6%CVE-2025-34139HIGHSitecore XM/XP/XC and Managed Cloud 8.0 - 10.4 Arbitrary File ReadEPSS 0.5%CVE-2025-53692HIGHSitecore Experience Platform Cross-Site Scripting VulnerabilityEPSS 0.4%