CVE-2023-23701 Explained : Impact and Mitigation

This CVE-2023-23701 article delves into a Cross Site Scripting (XSS) vulnerability in the WordPress Easy Sign Up Plugin version 3.4.1 and below. The vulnerability allows for Auth. (contributor+) Stored XSS, posing a security threat to users.

Understanding CVE-2023-23701

This section provides insights into the nature of CVE-2023-23701, including its impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-23701?

CVE-2023-23701 refers to a Stored Cross Site Scripting (XSS) vulnerability found in the Andrew @ Geeenville Web Design Easy Sign Up plugin version 3.4.1 and earlier. This vulnerability enables attackers to execute malicious scripts on the client-side, potentially leading to data theft or unauthorized actions on the affected website.

The Impact of CVE-2023-23701

The impact of this vulnerability is categorized as CAPEC-592, representing Stored XSS. It has a CVSSv3.1 base score of 6.5, with medium severity. A successful exploit could lead to the modification of content, data theft, or the initiation of unauthorized actions.

Technical Details of CVE-2023-23701

This section explores the technical aspects of CVE-2023-23701, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation, specifically related to 'Cross-site Scripting' (CWE-79). Attackers can exploit this flaw to inject and execute malicious scripts within the application, compromising the security and integrity of the system.

Affected Systems and Versions

The Easy Sign Up plugin by Andrew @ Geeenville Web Design up to version 3.4.1 is susceptible to this Cross Site Scripting (XSS) vulnerability. Users with these versions installed are at risk of exploitation if appropriate actions are not taken promptly.

Exploitation Mechanism

To exploit CVE-2023-23701, attackers can manipulate input fields within the Easy Sign Up plugin to inject and execute malicious scripts. This can be achieved by leveraging the authorization (contributor+) level privileges, enabling them to store malicious code that gets executed when accessed by unsuspecting users.

Mitigation and Prevention

In order to safeguard systems from CVE-2023-23701 and potential XSS attacks, it is crucial to implement immediate steps as well as establish long-term security practices.

Immediate Steps to Take

Disable or uninstall the vulnerable Easy Sign Up plugin until a patch is available.
Regularly monitor for updates from the plugin developer or vendor.
Educate users about the risks associated with XSS attacks and best practices for secure web browsing.

Long-Term Security Practices

Implement a robust web application firewall (WAF) to filter and block malicious traffic.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities proactively.
Stay informed about emerging threats and security updates related to plugins and software used in the WordPress environment.

Patching and Updates

Keep track of official patches released by Andrew @ Geeenville Web Design for the Easy Sign Up plugin. Once a patch addressing the CVE-2023-23701 vulnerability is available, promptly update the plugin to the latest secure version to mitigate the risk of exploitation.