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Description

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

PUBLISHED Reserved 2025-07-08 | Published 2025-09-03 | Updated 2025-09-05 | Assigner Wiz




CRITICAL: 9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA Known Exploited Vulnerability

Date added 2025-09-04 | Due date 2025-09-25

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Problem types

CWE-502 Deserialization of Untrusted Data

Product status

Default status
unaffected

Any version
affected

Default status
unaffected

Any version
affected

Credits

Mandiant Threat Defense finder

References

cloud.google.com/...e-deserialization-zero-day-vulnerability

support.sitecore.com/...ticle_view&sysparm_article=KB1003865

cve.org (CVE-2025-53690)

nvd.nist.gov (CVE-2025-53690)

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