Vulnerability · Published Sep 29, 2025 · Assigned by Liferay

CVE-2025-43820

Medium 4.8

In plain English

A medium-severity cross-site scripting in DXP from Liferay. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.2%top 87.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when inviting users to a event in Liferay Portal 7.4.3.35 through 7.4.3.110, and Liferay DXP 2023.Q4.0 through 2023.Q4.4, 2023.Q3.1 through 2023.Q3.6, 7.4 update 35 through update 92, and 7.3 update 25 through update 35 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a user’s (1) First Name, (2) Middle text, or (3) Last Name text fields.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.liferay.portal:release.portal.bom7.4.3.111-ga111GHSA-pf86-4w35-cj89
Mavencom.liferay:com.liferay.calendar.web5.0.88GHSA-pf86-4w35-cj89

Affected products (as reported)

VendorProductVersions
Liferay Portal 7.4.3.35 – through 7.4.3.110
Liferay DXP 7.3.10-u25 – through 7.3.10-u367.4.13-u35 – through 7.4.13-u922023.Q3.1 – through 2023.Q3.62023.Q4.0 – through 2023.Q4.4

Weakness: CWE-79 · Vector: 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

References