CVE-2023-48509 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-48509, a Cross-site Scripting (DOM-based XSS) vulnerability affecting Adobe Experience Manager versions 6.5.18 and earlier.

Understanding CVE-2023-48509

Adobe Experience Manager versions 6.5.18 and earlier are susceptible to a Cross-site Scripting (DOM-based XSS) vulnerability, allowing malicious JavaScript content to execute within a victim's browser when they visit a URL referencing a vulnerable page.

What is CVE-2023-48509?

The CVE-2023-48509 vulnerability refers to a Cross-site Scripting (DOM-based XSS) security flaw in Adobe Experience Manager versions 6.5.18 and prior. An attacker with limited privileges can manipulate a victim into accessing a compromised webpage, leading to the execution of malicious JavaScript code within the victim's browser.

The Impact of CVE-2023-48509

With a CVSSv3 base score of 5.4 (Medium severity), this vulnerability poses a moderate risk. If exploited, an attacker can perform actions on behalf of a victim, gaining unauthorized access to sensitive data or performing malicious activities within the affected system.

Technical Details of CVE-2023-48509

Vulnerability Description

The vulnerability exists in

libs/dam/gui/coral/components/admin/sourcing/foldersettings/clientlibs/js/sourcingfoldersettings.js

of Adobe Experience Manager. This flaw enables an attacker to inject and execute malicious JavaScript code in the context of a victim's browser.

Affected Systems and Versions

Adobe Experience Manager versions 6.5.18 and earlier are impacted by CVE-2023-48509.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to manipulate a victim into visiting a URL that references a vulnerable page. By doing so, the attacker can execute arbitrary JavaScript code within the victim's browsing session.

Mitigation and Prevention

Immediate Steps to Take

It is crucial for users to update Adobe Experience Manager to a non-vulnerable version. Additionally, users should exercise caution when visiting unknown or suspicious URLs to mitigate the risk of exploitation.

Long-Term Security Practices

Adopting secure coding practices, conducting regular security audits, and implementing Content Security Policy (CSP) can help prevent Cross-site Scripting vulnerabilities in web applications.

Patching and Updates

Adobe has released a security advisory (APSB23-72) addressing the CVE-2023-48509 vulnerability. Users are strongly advised to apply the necessary patches provided by Adobe to protect their systems against potential exploitation.