CVE-2026-2736 — Reflected Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms

CVE-2026-2736

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

Description (CNA)

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.

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.