Security Advisory

CVE-2026-2735

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-19 08:38:31

Last updated 2026-02-20 16:05:26

Assigner INCIBE

State PUBLISHED

Description

Stored Cross-Site Scripting (XSS) in Alkacons OpenCms v18.0, which occurs when user input is not properly validated when sending a POST request to ‘/blog/new-article/org.opencms.ugc.CmsUgcEditService.gwt’ using the ‘text’ parameter.

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