How severe is CVE-2025-43802?

CVE-2025-43802 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-43802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43802?

CVE-2025-43802 primarily affects Liferay Digital Experience Platform. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43802?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43802 have an EU (EUVD) identifier?

Yes. CVE-2025-43802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29263.

When was CVE-2025-43802 published?

CVE-2025-43802 was published on 2025-09-15 and last updated on 2026-06-17.

CVE-2025-43802

CVE-2025-43802 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 4.8
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29263
Weakness: CWE-79
Affected product: Liferay Digital Experience Platform
Published: 2025-09-15
Last modified: 2026-06-17

Description

Stored cross-site scripting (XSS) vulnerability in a custom object’s /o/c/<object-name> API endpoint in Liferay Portal 7.4.3.51 through 7.4.3.109, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 update 51 through update 92, and 7.3 update 33 through update 35. allows remote attackers to inject arbitrary web script or HTML via the externalReferenceCode parameter.

Frequently asked questions

What is CVE-2025-43802?: Stored cross-site scripting (XSS) vulnerability in a custom object’s /o/c/<object-name> API endpoint in Liferay Portal 7.4.3.51 through 7.4.3.109, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 update 51 through update 92, and 7.3 update 33 through update 35. allows remote attackers to inject arbitrary web script or HTML via the externalReferenceCode parameter.
How severe is CVE-2025-43802?: CVE-2025-43802 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-43802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43802?: CVE-2025-43802 primarily affects Liferay Digital Experience Platform. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-43802?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43802 have an EU (EUVD) identifier?: Yes. CVE-2025-43802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29263.
When was CVE-2025-43802 published?: CVE-2025-43802 was published on 2025-09-15 and last updated on 2026-06-17.

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43802

Affected products (47)

cpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.3:update33:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.3:update34:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.3:update35:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update51:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update52:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update53:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update54:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update55:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update56:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update57:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update58:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update59:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update60:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update61:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update62:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update63:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update64:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update65:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update66:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update67:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update68:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update69:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update70:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update71:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update72:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update73:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update74:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update75:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update76:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update77:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update78:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update79:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update80:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update81:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update82:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update83:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update84:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update85:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.4:update86:*:*:*:*:*:*

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