CVE-2025-43818

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

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

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CVSS v3.1 Score

6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor Product
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay digital_experience_platform
liferay liferay_portal

References

Frequently Asked Questions

What is CVE-2025-43818? +
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 It has a CVSS v3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2025-43818? +
CVE-2025-43818 has a CVSS v3.1 score of 6.1 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-2025-43818? +
CVE-2025-43818 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-2025-43818? +
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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