Adobe Experience Manager versions 6.5.20 and earlier Answer: 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 requires user interaction, such as convincing a victim to click on a specially crafted link or to submit a form that triggers the vulnerability.
https://helpx.adobe.com/security/products/experience-manager/apsb24-28.html