CVE-2025-53693 - CVE House
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Status published Critical CVE-2025-53693

HTML Cache Poisoning through Unsafe Reflections

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Piotr Bazydlo of watchTowr

References

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CVE-2025-53691
Sitecore Experience Remote Code Execution through Insecure Deserialization
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CVE-2025-53690
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CVE-2025-34511
Sitecore PowerShell Extension RCE via Unrestricted Upload
High 8.8

Affected Vendor

Affected Software

Sitecore Experience Manager (XM), Experience Platform (XP)
Vulnerable Versions:
9.0, 10.0

Timeline

Official Publish: September 3rd, 2025
Last Modified: September 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-470

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.