CVE-2025-43802

Name: CVE-2025-43802
Creator: NVD / NIST
Published: 2025-09-15T22:15:34.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2025-43802 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

4.8/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.24%

15.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Liferay	Digital Experience Platform	>= 2023.q3.1, < 2023.q3.5	—
Liferay	Digital Experience Platform	7.3	Update33
Liferay	Digital Experience Platform	7.4	Update51
Liferay	Liferay Portal	>= 7.4.3.51, < 7.4.3.110	—

References

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

Timeline

Published: Sep 15, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43802?

How severe is CVE-2025-43802?

CVE-2025-43802 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43802?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43802?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST