CVE-2023-48521 Explained : Impact and Mitigation

Adobe Experience Manager versions 6.5.18 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be exploited by a low-privileged attacker to inject malicious scripts into vulnerable form fields. This could lead to the execution of malicious JavaScript in a victim’s browser when they access the page with the vulnerable field.

Understanding CVE-2023-48521

This section provides insight into the specifics of CVE-2023-48521.

What is CVE-2023-48521?

CVE-2023-48521 details a stored XSS vulnerability in Adobe Experience Manager versions 6.5.18 and earlier, posing a risk of injecting harmful scripts into susceptible form fields.

The Impact of CVE-2023-48521

The vulnerability allows low-privileged attackers to execute malicious JavaScript on victims' browsers, compromising the security and integrity of the system.

Technical Details of CVE-2023-48521

Here are the technical aspects of CVE-2023-48521.

Vulnerability Description

The vulnerability resides in

libs/cq/tagging/gui/components/movetag/clientlibs/movetag/js/movetag.js

of Adobe Experience Manager, enabling the injection of malicious scripts through vulnerable form fields.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.18 and earlier are impacted by this stored XSS vulnerability.

Exploitation Mechanism

Low-privileged attackers can abuse this vulnerability to embed malicious scripts into vulnerable form fields, leading to the execution of these scripts on victims' browsers.

Mitigation and Prevention

To address CVE-2023-48521, follow these recommended steps:

Immediate Steps to Take

Upgrade Adobe Experience Manager to a non-vulnerable version.
Implement security controls to sanitize user input and prevent script injection.

Long-Term Security Practices

Regularly update and patch Adobe Experience Manager to ensure system security.
Educate users and developers on secure coding practices to mitigate XSS vulnerabilities.

Patching and Updates

Refer to advisory APSB23-72 from Adobe for detailed instructions on patching and securing Adobe Experience Manager against CVE-2023-48521.