CVE-2023-48542 : Vulnerability Insights and Analysis

Adobe Experience Manager versions 6.5.18 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

Understanding CVE-2023-48542

This CVE identifies a stored Cross-Site Scripting vulnerability impacting Adobe Experience Manager versions 6.5.18 and below, allowing attackers to inject malicious scripts into vulnerable form fields, potentially leading to the execution of malicious JavaScript in victims’ browsers.

What is CVE-2023-48542?

The CVE-2023-48542 vulnerability involves a stored Cross-Site Scripting issue in Adobe Experience Manager, enabling low-privileged attackers to insert harmful scripts into susceptible form fields.

The Impact of CVE-2023-48542

This vulnerability could result in the execution of malicious JavaScript within the browsers of individuals accessing pages containing the compromised fields.

Technical Details of CVE-2023-48542

This section provides detailed technical insights into the CVE-2023-48542 vulnerability.

Vulnerability Description

The vulnerability arises from a stored Cross-Site Scripting flaw in

libs/cq/gui/components/coral/common/admin/timeline/clientlibs/timeline/js/events.js

within Adobe Experience Manager.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.18 and earlier are susceptible to this stored XSS vulnerability.

Exploitation Mechanism

Attackers with low privileges can exploit this vulnerability to insert and execute malicious JavaScript in victims’ browsers, compromising the security of the affected systems.

Mitigation and Prevention

To protect systems from CVE-2023-48542, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update Adobe Experience Manager to version 6.5.19 or above to mitigate the vulnerability.
Educate users regarding safe browsing practices and the risks associated with executing scripts from untrusted sources.

Long-Term Security Practices

Regular security audits and vulnerability assessments should be conducted to identify and address potential security gaps.
Implement Content Security Policy (CSP) to mitigate the impact of XSS attacks.

Patching and Updates

Stay informed about security updates provided by Adobe to address vulnerabilities like CVE-2023-48542.