What is the CVSS score of CVE-2025-53691?

CVE-2025-53691 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.3%.

Which versions of Experience Commerce are affected by CVE-2025-53691?

CVE-2025-53691 presents significant security risk, a insecure deserialization vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2025-53691?

Yes, a public proof-of-concept exploit is available for CVE-2025-53691. Prioritise patching immediately. EPSS: 3.3%.

How to fix or mitigate CVE-2025-53691?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Restrict deserialization to trusted data sources and implement integrity checks.

Experience Commerce CVE-2025-53691

HIGH

Deserialization of Untrusted Data (CWE-502)

2025-09-03 9947ef80-c5d5-474a-bbab-97341a59000e

RCE Deserialization Experience Commerce Experience Manager Experience Platform Managed Cloud

8.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:10 vuln.today

PoC Detected

Sep 08, 2025 - 18:30 vuln.today

Public exploit code

CVE Published

Sep 03, 2025 - 13:15 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).0 through 9.3, from 10.0 through 10.4;. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).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. Affected products include: Sitecore Experience Commerce, Sitecore Experience Manager, Sitecore Experience Platform, Sitecore Managed Cloud. Version information: through 9.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.

CVE-2025-53691 vulnerability details – vuln.today

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Experience Commerce CVE-2025-53691

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code