Security Advisory

CVE-2026-2736

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-02-19 08:39:46

Last updated 2026-03-09 08:54:49

Assigner INCIBE

CVSS score 5.1

State PUBLISHED

Description

Reflected Cross-site Scripting (XSS) in Alkacon's OpenCms v18.0, which allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL containing the ‘q’ parameter in ‘/search/index.html’. This vulnerability can be exploited to steal sensitive user information such as session cookies, or to perform actions while impersonating the user.

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