How severe is CVE-2025-53691?

CVE-2025-53691 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-53691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53691?

CVE-2025-53691 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-53691?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-53691 have an EU (EUVD) identifier?

Yes. CVE-2025-53691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26499.

When was CVE-2025-53691 published?

CVE-2025-53691 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-53691

CVE-2025-53691 is a high-severity vulnerability in Sitecore Experience Commerce with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26499
Weakness: CWE-502
Affected product: Sitecore Experience Commerce
Published: 2025-09-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-53691?: 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.
How severe is CVE-2025-53691?: CVE-2025-53691 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-53691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53691?: CVE-2025-53691 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-53691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-53691 have an EU (EUVD) identifier?: Yes. CVE-2025-53691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26499.
When was CVE-2025-53691 published?: CVE-2025-53691 was published on 2025-09-03 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:*

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