The vulnerability CVE-2025-23941 affects the MeinTurnierplan.de Widget Viewer (version ≤ 1.1) and involves improper input neutralization during web page generation, leading to stored cross-site scripting (XSS). This allows an attacker with at least low privileges and user interaction to inject malicious scripts that can execute in the context of other users, potentially impacting confidentiality, integrity, and availability of the affected system. The CVSS vector indicates network attack vector, low attack complexity, low privileges required, user interaction required, and scope changed. No patch or vendor advisory is currently available, and no known exploits have been reported.

Successful exploitation of this stored XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of other users, potentially leading to information disclosure, modification of data, or disruption of service. The CVSS score of 6.5 reflects medium severity with impacts on confidentiality, integrity, and availability. However, no known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with input handling and consider implementing web application firewalls or input sanitization as temporary mitigations. Monitor vendor channels for updates regarding patches or official mitigations.