CVE-2023-51396 Explained : Impact and Mitigation

WordPress Brizy – Page Builder Plugin version 2.4.29 and prior is vulnerable to Cross-Site Scripting (XSS) due to an improper neutralization of input during web page generation. This allows for stored XSS attacks, impacting the confidentiality, integrity, and availability of affected systems.

Understanding CVE-2023-51396

This section provides insights into the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2023-51396?

CVE-2023-51396 is a Stored Cross-Site Scripting (XSS) vulnerability in the Brizy – Page Builder Plugin, allowing attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-51396

The vulnerability poses a medium-severity risk with a CVSS base score of 6.5, affecting systems running Brizy – Page Builder versions up to 2.4.29. Attackers can exploit this flaw to compromise user data, disrupt services, and perform unauthorized actions.

Technical Details of CVE-2023-51396

Let's delve deeper into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability stems from the improper handling of user input during web page generation, leading to stored XSS attacks. Attackers can craft malicious scripts that execute in the context of other users visiting the affected pages.

Affected Systems and Versions

Brizy – Page Builder versions up to 2.4.29 are impacted by this vulnerability. Users operating on these versions are at risk of exploitation by threat actors seeking to launch XSS attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into web pages created using the Brizy – Page Builder Plugin. When unsuspecting users access these pages, the malicious code executes in their browsers, enabling the attacker to steal sensitive information or perform unauthorized actions.

Mitigation and Prevention

Taking immediate steps to address the vulnerability is crucial to safeguard affected systems and prevent potential exploitation.

Immediate Steps to Take

Users should update the Brizy – Page Builder Plugin to version 2.4.30 or higher to mitigate the XSS vulnerability. Additionally, monitoring user-generated content for suspicious scripts can help prevent successful attacks.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating users on XSS threats can enhance the overall security posture of web applications utilizing the Brizy – Page Builder Plugin.

Patching and Updates

Regularly applying security patches and updates released by the plugin vendor is essential to address known vulnerabilities and strengthen the defense against evolving cyber threats.