CVE-2024-26079: 
Adobe Experience Manager vulnerability analysis and mitigation

Adobe Experience Manager versions 6.5.19 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. The vulnerability was discovered and disclosed on April 10, 2024, and affects both AEM Cloud Service and version 6.5.19 and earlier versions (Adobe Advisory).

The vulnerability is classified as a stored Cross-Site Scripting (XSS) vulnerability with a CVSS v3.1 Base Score of 5.4 (Medium) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The vulnerability is identified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

When exploited, malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. This could potentially lead to unauthorized access to user data and compromise of user sessions (CVE).

The vulnerability requires low attack complexity and low privileges to exploit, but does require user interaction. There are currently no reports of this vulnerability being exploited in the wild (CIS Advisory).

Adobe has released security updates to address this vulnerability. Users are advised to update to the latest version of Adobe Experience Manager. For AEM Cloud Service, update to version 2024.3.0 or later, and for AEM 6.5, update to version 6.5.20.0 or later (Adobe Advisory).