CVE-2025-43820 — Cross-site Scripting in Digital Experience Platform

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
4.8MEDIUMNVD
EPSS
0.0%
top 91.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Liferay Digital Experience PlatformLiferay PortalLiferay DXP+1 more
Timeline
PublishedSep 29
Latest updateSep 30

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.

CVSS 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

Affected Packages4 packages

▶NVDliferay/liferay_portal7.4.3.35 — 7.4.3.111
▶CVEListV5liferay/portal7.4.3.35 — 7.4.3.110
▶NVDliferay/digital_experience_platform2023.Q3.1 — 2023.Q3.7+3
▶CVEListV5liferay/dxp7.3.10-u25 — 7.3.10-u36+3

🔴Vulnerability Details

3
OSV
Liferay Portal vulnerable to cross-site scripting in the Calendar widget↗2025-09-30
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GHSA
Liferay Portal vulnerable to cross-site scripting in the Calendar widget↗2025-09-30
▶
CVEList
CVE-2025-43820: Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when inviting users to a event in Liferay Portal 7↗2025-09-29
▶
CVE-2025-43820 — Cross-site Scripting | cvebase