CVE-2025-43770

Name: CVE-2025-43770
Creator: NVD / NIST
Published: 2025-08-23T02:15:28.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2025-43770 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.3, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows an remote non-authenticated attacker to inject JavaScript into the referer or FORWARD_URL using %00 in those parameters.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.3, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12 and 7.4 GA through update 92 allows an remote non-authenticated attacker to inject JavaScript into the referer or FORWARD_URL using %00 in those parameters.

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

6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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

0.18%

7.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Liferay	Digital Experience Platform	>= 2024.Q1.1, < 2024.Q1.13
Liferay	Digital Experience Platform	>= 2024.q2.0, <= 2024.q2.13
Liferay	Digital Experience Platform	>= 2024.Q3.1, <= 2024.Q3.12
Liferay	Digital Experience Platform	>= 2024.Q4.0, < 2024.Q4.4
Liferay	Digital Experience Platform	7.4
Liferay	Liferay Portal	>= 7.4.0, < 7.4.3.132

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43770Vendor Advisory

Timeline

Published: Aug 23, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43770?

How severe is CVE-2025-43770?

CVE-2025-43770 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43770?

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-2025-43770?

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

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Source: NVD / NIST