CRITICAL CISA KEV

CVE-2025-53690

CVSS v3

9

CRITICAL

EPSS Score

9.5%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
9/4/2025
Patch Due Date
9/25/2025
Ransomware Use
Unknown

Technical details

Published
9/3/2025

Frequently asked questions

What is CVE-2025-53690?

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.

Is CVE-2025-53690 actively exploited?

Yes. CVE-2025-53690 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 9/25/2025.

What is the CVSS score for CVE-2025-53690?

CVE-2025-53690 has a CVSS v3 base score of 9 (CRITICAL severity).

Is CVE-2025-53690 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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