CVE-2025-43820
mediumpriority · track · 22EPSS 0.002 · 12 %ileDEEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.1–5.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
- liferay digital experience platform2023.Q3.1 → 2023.Q3.7nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
- liferay digital experience platform2023.Q4.0 → 2023.Q4.5nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
- liferay digital experience platform= 7.3nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
- liferay digital experience platform= 7.4nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2151Liferay Portal und DXP: Mehrere SchwachstellenDeutsch2025-09-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Liferay Portal und Liferay DXP ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder einen Denial of Service herbeizuführen.
- GHSA-pf86-4w35-cj89Liferay Portal vulnerable to cross-site scripting in the Calendar widget2025-09-30ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43820cnnvd
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43820enisa_euvd
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43820Vendor Advisorynvd
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