Adobe Experience Manager versions 6.5.20 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. This vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser session. Exploitation of this issue typically requires user interaction, such as convincing a user to click on a specially crafted link or to submit a malicious form.
https://helpx.adobe.com/security/products/experience-manager/apsb24-28.html