CVE-2023-48540 : What You Need to Know

A stored Cross-Site Scripting (XSS) vulnerability has been discovered in Adobe Experience Manager versions 6.5.18 and earlier. This vulnerability could allow a low-privileged attacker to insert malicious scripts into vulnerable form fields, leading to the execution of malicious JavaScript in a victim's browser.

Understanding CVE-2023-48540

This section will cover the details related to the CVE-2023-48540 vulnerability.

What is CVE-2023-48540?

The CVE-2023-48540 vulnerability is a stored Cross-Site Scripting (XSS) issue found in Adobe Experience Manager versions 6.5.18 and below. Attackers with low privileges can exploit this vulnerability to inject harmful scripts into susceptible form fields, potentially triggering the execution of malicious code in users' browsers.

The Impact of CVE-2023-48540

The impact of this vulnerability includes unauthorized execution of malicious scripts in users' browsers, leading to potential data theft, fraudulent activities, and further exploitation of user systems.

Technical Details of CVE-2023-48540

This section will dive deeper into the technical aspects of the CVE-2023-48540 vulnerability.

Vulnerability Description

The vulnerability resides in the

libs/dam/gui/components/s7dam/viewerpreset/clientlibs/viewerpreset/viewerpreset.js

script of the affected Adobe Experience Manager versions. It allows attackers to store malicious scripts in form fields, which are executed when a user accesses the vulnerable page.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.18 and earlier are confirmed to be impacted by this XSS vulnerability. Users with these versions installed are advised to take immediate action.

Exploitation Mechanism

The vulnerability can be exploited by attackers with low privileges by injecting malicious scripts into susceptible form fields, leveraging the stored XSS to execute unauthorized code in victims' browsers.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2023-48540, certain measures need to be taken.

Immediate Steps to Take

Users are urged to update their Adobe Experience Manager installations to versions beyond 6.5.18. Additionally, organizations should scan their systems for any signs of exploitation and monitor vulnerable form fields closely.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and educating users on identifying suspicious activities are essential for maintaining long-term security against XSS attacks.

Patching and Updates

Adobe has released security updates for Adobe Experience Manager to mitigate the effects of the CVE-2023-48540 vulnerability. Users are advised to install these patches promptly to ensure their systems are protected.