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Intro
CVE-2026-47985 is a DOM-based Cross-Site Scripting (XSS) vulnerability affecting Adobe Experience Manager (AEM) versions 6.5.24, LTS SP1, 2026.04, and earlier. Unlike traditional reflected or stored XSS, this flaw resides entirely within the client-side Document Object Model (DOM). An attacker crafts a malicious webpage that, when visited by a logged-in AEM user, manipulates the DOM environment of the victim’s browser. This manipulation tricks the application into executing arbitrary JavaScript code. The attack requires user interaction, as the victim must be socially engineered to click a malicious link. The scope of the vulnerability is changed, meaning the vulnerable component and the impacted component are different, increasing the potential impact. The CVSS 3.1 vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. This indicates the attack vector is network-based, the attack complexity is low, low privileges are required, and user interaction is required. The scope is changed, leading to low impact on confidentiality and integrity, with no impact on availability. This makes the severity medium with a base score of 5.4. The vulnerability originates from improper handling of user-controlled input that is used to modify the DOM. By injecting a malicious payload into a DOM element, an attacker can execute scripts in the context of the victim’s AEM session. This could lead to data theft, session hijacking, or defacement of the AEM instance. The issue was published by NVD on June 9, 2026, and last modified on June 10, 2026. The information is sourced from Adobe Systems Incorporated.
DailyCVE Form:
Platform: Adobe Experience Manager
Version: 6.5.24, LTS SP1, 2026.04 and earlier
Vulnerability: DOM-based XSS
Severity: Medium (5.4)
date: June 9, 2026
Prediction: June 30, 2026
What Undercode Say:
Check AEM version via curl curl -k -u admin:admin "https://<aem-host>:<port>/libs/granite/core/content/login.html" Search for vulnerable DOM sinks in JavaScript grep -r "document.write" /opt/aem/crx-quickstart/ Monitor for suspicious DOM manipulation in AEM logs tail -f /opt/aem/crx-quickstart/logs/error.log | grep "XSS"
Exploit:
// Malicious payload to execute in the victim's browser
var payload = "<img src=x onerror=alert('CVE-2026-47985')>";
// Trigger DOM manipulation via vulnerable parameter
document.getElementById("vulnerableDiv").innerHTML = payload;
Protection:
- Upgrade AEM to a patched version (6.5.25 or higher).
- Implement a Content Security Policy (CSP) to restrict script execution.
- Use output encoding and input validation for all DOM-manipulating functions.
Impact:
An attacker can execute arbitrary JavaScript in the context of the victim’s AEM session, potentially leading to unauthorized data access, session hijacking, or defacement of the AEM instance.
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Sources:
Reported By: nvd.nist.gov
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