How severe is CVE-2025-43756?

CVE-2025-43756 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-43756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43756?

CVE-2025-43756 primarily affects Liferay Digital Experience Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43756?

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

Does CVE-2025-43756 have an EU (EUVD) identifier?

Yes. CVE-2025-43756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25478.

When was CVE-2025-43756 published?

CVE-2025-43756 was published on 2025-08-21 and last updated on 2026-06-17.

CVE-2025-43756

CVE-2025-43756 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v4: 6.9
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25478
Weakness: CWE-79
Affected product: Liferay Digital Experience Platform
Published: 2025-08-21
Last modified: 2026-06-17

Description

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2 and 2024.Q1.13 through 2024.Q1.19 allows a remote authenticated user to inject JavaScript code via snippet parameter.

Frequently asked questions

What is CVE-2025-43756?: A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.15, 2025.Q2.0 through 2025.Q2.2 and 2024.Q1.13 through 2024.Q1.19 allows a remote authenticated user to inject JavaScript code via snippet parameter.
How severe is CVE-2025-43756?: CVE-2025-43756 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-43756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43756?: CVE-2025-43756 primarily affects Liferay Digital Experience Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-43756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43756 have an EU (EUVD) identifier?: Yes. CVE-2025-43756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25478.
When was CVE-2025-43756 published?: CVE-2025-43756 was published on 2025-08-21 and last updated on 2026-06-17.

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43756

Affected products (2)

cpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:liferay:liferay_portal:7.4.3.132:*:*:*:*:*:*:*

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