Adobe Connect versions 12.6, 11.4.7 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.
https://helpx.adobe.com/security/products/connect/apsb24-99.html