CVE-2020-35124 : Exploit Details and Defense Strategies

A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript through the Referer header of asset downloads.

Understanding CVE-2020-35124

This CVE involves a security vulnerability in Mautic that could be exploited by attackers to execute malicious JavaScript code.

What is CVE-2020-35124?

The CVE-2020-35124 is a cross-site scripting (XSS) vulnerability found in Mautic versions prior to 3.2.4, enabling attackers to inject and execute JavaScript code through the Referer header of asset downloads.

The Impact of CVE-2020-35124

This vulnerability could lead to various security risks, including unauthorized access, data theft, and potential remote code execution on affected systems.

Technical Details of CVE-2020-35124

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The XSS vulnerability in Mautic's assets component allows malicious actors to inject executable JavaScript code via the Referer header during asset downloads.

Affected Systems and Versions

Product: Mautic
Vendor: N/A
Versions Affected: All versions before 3.2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the Referer header of asset downloads to inject and execute malicious JavaScript code.

Mitigation and Prevention

Protecting systems from CVE-2020-35124 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Mautic to version 3.2.4 or later to patch the vulnerability.
Monitor and restrict Referer headers to prevent unauthorized injections.
Educate users on safe browsing practices to avoid XSS attacks.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities promptly.
Implement web application firewalls (WAFs) to filter and block malicious traffic.
Conduct security audits and penetration testing to identify and mitigate potential risks.

Patching and Updates

Apply security patches provided by Mautic promptly to address known vulnerabilities.