CVE-2023-23673 : Security Advisory and Response

This CVE-2023-23673 article provides detailed information about a specific vulnerability in the WordPress "I Recommend This" plugin, affecting versions less than or equal to 3.8.3. The vulnerability is related to Cross Site Scripting (XSS) and has a Medium severity rating.

Understanding CVE-2023-23673

This section delves into the nature of CVE-2023-23673, emphasizing its impact and technical details.

What is CVE-2023-23673?

CVE-2023-23673 refers to an Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability found in the "I Recommend This" plugin developed by Harish Chouhan and Themeist. The vulnerability affects versions up to 3.8.3, allowing attackers to inject malicious scripts into the plugin, potentially leading to unauthorized actions on the target website.

The Impact of CVE-2023-23673

The impact of CVE-2023-23673 is categorized under CAPEC-592 Stored XSS, highlighting the risks associated with stored cross-site scripting attacks. Attackers exploiting this vulnerability can execute arbitrary scripts within the context of the user's session, posing a significant threat to the security and integrity of the affected WordPress websites.

Technical Details of CVE-2023-23673

This section provides insights into the vulnerability's technical aspects, including how it can be exploited and its affected systems and versions.

Vulnerability Description

The vulnerability in the WordPress "I Recommend This" plugin <= 3.8.3 allows authenticated users with admin privileges to store malicious scripts through Cross-Site Scripting (XSS) attacks. This can result in the execution of unauthorized actions on the target website.

Affected Systems and Versions

The vulnerability impacts the "I Recommend This" plugin versions equal to or below 3.8.3, leaving websites using these versions exposed to potential XSS attacks.

Exploitation Mechanism

Attackers with high privileges can exploit the vulnerability by injecting malicious scripts into the plugin, taking advantage of the improper neutralization of input during web page generation. This manipulation enables them to execute malicious code within the affected WordPress websites.

Mitigation and Prevention

In this section, we focus on the steps users can take to mitigate the risks posed by CVE-2023-23673 and prevent potential exploitation of the vulnerability.

Immediate Steps to Take

Website administrators are advised to immediately update the "I Recommend This" plugin to a secure version beyond 3.8.3 to eliminate the Cross-Site Scripting (XSS) vulnerability. Additionally, implementing strict user access controls and actively monitoring for suspicious activities can help reduce the risk of unauthorized script injections.

Long-Term Security Practices

To enhance the overall security posture of WordPress websites, it is crucial to regularly update all plugins, themes, and the core WordPress installation. Employing web application firewalls (WAFs) and conducting security audits can further fortify the website against potential vulnerabilities and attacks.

Patching and Updates

Plugin developers are encouraged to release timely security patches addressing vulnerabilities like CVE-2023-23673. By promptly applying updates and patches, website owners can ensure the continued protection of their websites against known security threats and vulnerabilities.