CVE-2023-5458 : Security Advisory and Response

This CVE-2023-5458 relates to a vulnerability found in the "CITS Support svg, webp Media and TTF,OTF File Upload" WordPress plugin, where a stored Cross-Site Scripting (XSS) issue can be exploited by users with low-level roles, such as Author. The vulnerability exists in versions prior to 3.0.

Understanding CVE-2023-5458

This section provides insight into the nature and impact of CVE-2023-5458.

What is CVE-2023-5458?

CVE-2023-5458 is a security vulnerability identified in the CITS Support svg, webp Media and TTF,OTF File Upload WordPress plugin before version 3.0. It arises due to the lack of sanitization of uploaded SVG files, enabling users with minimal permissions to upload malicious SVG files containing XSS payloads.

The Impact of CVE-2023-5458

The impact of this vulnerability is significant as it allows unauthorized users, with roles as low as Author, to execute malicious scripts on the affected WordPress site. This could lead to various security risks, including data theft, site defacement, and further exploitation.

Technical Details of CVE-2023-5458

Dive deeper into the technical aspects of CVE-2023-5458 to understand its implications and characteristics.

Vulnerability Description

The vulnerability in the CITS Support svg, webp Media and TTF,OTF File Upload plugin lies in the improper handling of uploaded SVG files, enabling the insertion of malicious XSS payloads by users with limited privileges.

Affected Systems and Versions

The affected system is the CITS Support svg, webp Media and TTF,OTF File Upload WordPress plugin versions prior to 3.0. Users utilizing these versions are at risk of exploitation through stored XSS attacks.

Exploitation Mechanism

The exploitation of CVE-2023-5458 involves uploading malicious SVG files containing XSS payloads by users with low-level roles, such as Authors. Once uploaded, these scripts can be executed within the context of the WordPress site, leading to security breaches.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the risks associated with CVE-2023-5458.

Immediate Steps to Take

To address CVE-2023-5458, it is crucial to update the CITS Support svg, webp Media and TTF,OTF File Upload plugin to version 3.0 or higher. Additionally, users should audit their WordPress installations for any suspicious uploads and restrict file permissions for lower-level users.

Long-Term Security Practices

Implementing secure coding practices, routine security audits, and user role management can help prevent similar vulnerabilities in the future. Educating users on the risks of uploading untrusted files can also enhance overall site security.

Patching and Updates

Regularly check for plugin updates and security patches provided by the plugin developers. Stay informed about security advisories related to WordPress plugins and promptly apply necessary updates to ensure a secure environment.