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.

INFO

Published Date :

2026-02-19T08:39:46.150Z

Last Modified :

2026-03-09T08:54:49.983Z

Source :

INCIBE
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2736 vulnerability.

Vendors Products
Alkacon
  • Opencms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2736.

URL Resource
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacons-opencms cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact