CVE-2023-42345: Alkacon OpenCms is vulnerable to XSS via updateModelGroups.jsp

May 8, 2026 (updated May 14, 2026)

A Cross Site Scripting vulnerability in Alkacon OpenCms before 16 exists via updateModelGroups.jsp.

References

github.com/advisories/GHSA-2887-f3v6-6rjf
labs.watchtowr.com/xxe-you-can-depend-on-me-opencms
nvd.nist.gov/vuln/detail/CVE-2023-42345

Code Behaviors & Features

Detect and mitigate CVE-2023-42345 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →