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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


Severity Medium
Score 6.1/10


A Cross-Site Scripting (XSS) vulnerability exists in the footer alerts functionality of WWBN AVideo. A specially-crafted HTTP request can lead to arbitrary JavaScript execution. An attacker can get an authenticated user to send a crafted HTTP request to trigger this vulnerability. This vulnerability arises from the "msg" parameter which is inserted into the document with insufficient sanitization. This issue affects versions prior to 12.4.

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CWE-79 - Cross Site Scripting

Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.

Advisory Timeline

  • Published