This vulnerability in Alex Include Fussball.de Widgets (<= 4.0.0) involves improper input neutralization during web page generation, leading to stored cross-site scripting (XSS). An attacker can inject malicious scripts that are stored and later executed in users' browsers, potentially impacting confidentiality, integrity, and availability. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring low privileges and user interaction, with a scope change and low impact on confidentiality and integrity but low impact on availability.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to data theft, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability. The impact is rated medium based on the CVSS score of 6.5. No known exploits in the wild have been reported to date.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or limiting the use of the affected widgets or applying input validation and output encoding as a temporary mitigation. Monitor vendor channels for updates regarding patches or official fixes.