CVE-2023-48553 : Security Advisory and Response

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. The vulnerability allows malicious JavaScript to be executed in a victim’s browser when they visit the page containing the vulnerable field.

Understanding CVE-2023-48553

This CVE details a stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager versions 6.5.18 and earlier.

What is CVE-2023-48553?

CVE-2023-48553 involves a stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager versions 6.5.18 and earlier. It allows a low-privileged attacker to inject malicious scripts into vulnerable form fields, leading to the execution of malicious JavaScript in a victim’s browser.

The Impact of CVE-2023-48553

The impact of this vulnerability is rated as MEDIUM severity. An attacker can exploit this vulnerability to execute arbitrary JavaScript code in the context of the victim's browser, potentially leading to various attacks such as session hijacking, defacement, or data theft.

Technical Details of CVE-2023-48553

This section provides technical details related to CVE-2023-48553.

Vulnerability Description

The vulnerability allows a low-privileged attacker to insert malicious scripts into vulnerable form fields in Adobe Experience Manager, enabling the execution of malicious JavaScript in the victim’s browser.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.18 and earlier are impacted by this stored Cross-Site Scripting (XSS) vulnerability.

Exploitation Mechanism

An attacker with low privileges can exploit this vulnerability by injecting malicious scripts into vulnerable form fields, leveraging Adobe Experience Manager's functionality to execute the injected JavaScript in the victim's browser.

Mitigation and Prevention

To address CVE-2023-48553, consider the following mitigation strategies.

Immediate Steps to Take

Update Adobe Experience Manager to version 6.5.19 or higher to prevent exploitation of the stored XSS vulnerability.
Increase user awareness regarding the risks associated with executing scripts from untrusted sources.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user input and prevent script injection attacks.
Regularly monitor and audit the security configurations of Adobe Experience Manager to detect and mitigate similar vulnerabilities in the future.

Patching and Updates

Apply security patches provided by Adobe to address the stored XSS vulnerability affecting Adobe Experience Manager versions 6.5.18 and earlier.