CVE-2025-43818 — Cross-site Scripting in Digital Experience Platform

CWE-79 — Cross-site ScriptingCWE-74 — Injection5 documents5 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

Cross-site scripting (XSS) vulnerability in the Calendar widget 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 36 allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a Calendar's “Name” text field

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
GHSA
Liferay Portal vulnerable to cross-site scripting in the Calendar widget↗2025-09-30
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OSV
Liferay Portal vulnerable to cross-site scripting in the Calendar widget↗2025-09-30
▶
CVEList
CVE-2025-43818: Cross-site scripting (XSS) vulnerability in the Calendar widget in Liferay Portal 7↗2025-09-29
▶

📋Vendor Advisories

1
Microsoft
HTML Cleaner allows crafted and SVG embedded scripts to pass through↗2021-12-14
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CVE-2025-43818 — Cross-site Scripting | cvebase