CVE-2023-4858 : Security Advisory and Response

This CVE-2023-4858, assigned by WPScan, involves a vulnerability in the WP Simple Table Manager Plugin version 1.5.6 and below that could allow for Admin+ Stored Cross-Site Scripting attacks.

Understanding CVE-2023-4858

This section delves into the details of CVE-2023-4858, shedding light on the nature and impact of the vulnerability.

What is CVE-2023-4858?

CVE-2023-4858 pertains to the Simple Table Manager WordPress plugin versions up to 1.5.6. The vulnerability arises from the plugin's failure to sanitize and escape certain settings, potentially enabling high-privilege users like admins to execute Stored Cross-Site Scripting attacks, even in scenarios where the unfiltered_html capability is restricted (e.g., in a multisite setup).

The Impact of CVE-2023-4858

The vulnerability in the WP Simple Table Manager Plugin version 1.5.6 and earlier poses a significant risk as it could be exploited by malicious actors with administrative privileges to carry out Stored Cross-Site Scripting attacks, compromising the security and integrity of WordPress sites utilizing the affected plugin.

Technical Details of CVE-2023-4858

This section provides a deeper dive into the technical aspects of CVE-2023-4858, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Simple Table Manager Plugin version 1.5.6 and below arises due to inadequate sanitization and escaping of certain settings, permitting attackers with admin privileges to execute Stored Cross-Site Scripting attacks, even in restricted environments.

Affected Systems and Versions

The affected system is the Simple Table Manager WordPress plugin versions up to and including 1.5.6. Users of these versions are at risk of exploitation if the vulnerability is not addressed promptly.

Exploitation Mechanism

Exploiting the vulnerability in this plugin involves leveraging the lack of proper sanitization in the settings, enabling attackers with high privileges to inject malicious scripts, leading to Stored Cross-Site Scripting attacks.

Mitigation and Prevention

In this section, you will find essential steps to mitigate the risks associated with CVE-2023-4858, ensuring the security of your WordPress website.

Immediate Steps to Take

Website administrators are advised to promptly update the WP Simple Table Manager Plugin to a secure version, implement security best practices, and monitor for any unusual activities that may indicate a compromise.

Long-Term Security Practices

Adopting a proactive approach to security, such as regular security audits, staying informed about plugin vulnerabilities, and enforcing the principle of least privilege, can help bolster the overall security posture of WordPress websites.

Patching and Updates

Developers of the WP Simple Table Manager Plugin have likely released a patch or update addressing the vulnerability. It is crucial for users to apply these patches promptly to mitigate the risk of exploitation and enhance the security of their WordPress sites.