CVE-2023-48329 : Exploit Details and Defense Strategies

WordPress Fast Custom Social Share by CodeBard Plugin <= 1.1.1 is vulnerable to Cross Site Scripting (XSS).

Understanding CVE-2023-48329

This CVE identifies a Stored XSS vulnerability in the Fast Custom Social Share plugin by CodeBard affecting versions up to 1.1.1.

What is CVE-2023-48329?

The CVE-2023-48329 vulnerability involves Improper Neutralization of Input During Web Page Generation, allowing for Stored XSS attacks. This security flaw can be exploited by attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-48329

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.9. Attackers with high privileges can exploit this flaw to manipulate web pages and conduct malicious activities such as stealing sensitive data or credentials.

Technical Details of CVE-2023-48329

The technical details of CVE-2023-48329 are as follows:

Vulnerability Description

The vulnerability lies in the Fast Custom Social Share plugin by CodeBard, where input during web page generation is not properly neutralized, leading to a Stored XSS risk.

Affected Systems and Versions

Fast Custom Social Share by CodeBard versions up to 1.1.1 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the plugin, which can then be executed on the web pages where the plugin is active.

Mitigation and Prevention

To address CVE-2023-48329, the following mitigation steps and best practices are recommended:

Immediate Steps to Take

Disable or remove the Fast Custom Social Share plugin by CodeBard if not essential
Implement web application firewalls to filter and block malicious input
Regularly update software and plugins to patched versions

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments
Educate developers and users on secure coding practices
Monitor web applications for unusual behavior indicating potential XSS attacks

Patching and Updates

Update the Fast Custom Social Share plugin by CodeBard to a patched version beyond 1.1.1 to eliminate the XSS vulnerability.