CVE-2025-53693criticalCWE-470

CVE-2025-53693: critical vulnerability in Sitecore Experience Manager (XM)

HTML Cache Poisoning through Unsafe Reflections

Published

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53Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.8epss 20%
from disclosure to weaponsame day
Published on NVDSep 3
1st PoCSep 1
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Cache Poisoning.This issue affects Sitecore 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:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Sitecore · Experience Platform (XP)Sitecore · Sitecore Experience Manager (XM)
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Sitecore Experience Manager (XM)

In the same product, most dangerous first.

CVE-2025-53690CRITICALSitecore Products ViewState Deserialization VulnerabilityEPSS 60.7%KEVCVE-2025-53694HIGHInformation Disclosure in ItemServices APIEPSS 6.9%CVE-2025-53691HIGHSitecore Experience Remote Code Execution through Insecure DeserializationEPSS 1.6%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%