CVE-2026-76569: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in phoca.cz Phoca Download extension for Joomla

CVE-2026-76569 is a reflected XSS vulnerability in the Phoca Download extension for Joomla, specifically affecting versions 5.0.0 through 6.1.4. The vulnerability arises from improper neutralization of user-supplied input in the search GET parameter, which can lead to script injection in the generated web page. The CVSS 4.0 vector indicates the attack can be performed remotely without privileges or user interaction, with low complexity and low impact on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to session hijacking, defacement, or redirection to malicious sites. However, the impact is rated as medium, reflecting limited scope and complexity.

No official patch or remediation is currently documented. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider disabling or restricting access to the vulnerable search functionality or applying web application firewall rules to filter malicious input targeting the search GET parameter.