CVE-2026-2735 — Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms

CVE-2026-2735

Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms PUBLISHED

Description (CNA)

Stored Cross-Site Scripting (XSS) in Alkacon's 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.

Affected (CNA)

Vendor / product	Versions
Alkacon / OpenCms	affected 18.0

CWE

CWE-79

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacons-opencms

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.