CVE-2025-43820

MEDIUM

Published Sep 29, 2025 Modified Dec 11, 2025 CWE-79

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.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
liferay	digital_experience_platform	2023.Q3.1 — 2023.Q3.7
liferay	digital_experience_platform	2023.Q4.0 — 2023.Q4.5
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	digital_experience_platform	All
liferay	liferay_portal	7.4.3.35 — 7.4.3.111

References

Advisories & Patches

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43820

Frequently Asked Questions

What is CVE-2025-43820? +

How severe is CVE-2025-43820? +

CVE-2025-43820 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-43820? +

CVE-2025-43820 affects products from liferay, specifically: digital_experience_platform, liferay_portal. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43820? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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