CVE-2025-43820
5.4 · MEDIUMOverview
CVE-2025-43820 is a medium-severity vulnerability affecting liferay digital_experience_platform. It was published on September 29, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from liferay. Update digital_experience_platform to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| liferay | digital_experience_platform | >= 2023.Q3.1, < 2023.Q3.7 | Affected |
| liferay | liferay_portal | >= 7.4.3.35, < 7.4.3.111 | Affected |
Frequently Asked Questions
What is CVE-2025-43820?
CVE-2025-43820 is a medium-severity vulnerability affecting liferay digital_experience_platform. It was published on September 29, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2025-43820?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-43820?
Check the references section for vendor advisories and patches from liferay. Update digital_experience_platform to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-43820?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-43820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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