CVE-2023-35779 : Exploit Details and Defense Strategies

A detailed analysis of CVE-2023-35779 focusing on the WordPress Seed Fonts Plugin vulnerability to Cross-Site Scripting (XSS).

Understanding CVE-2023-35779

In this section, we will delve into the details of CVE-2023-35779, highlighting its impact, technical aspects, and mitigation strategies.

What is CVE-2023-35779?

CVE-2023-35779 refers to an Authorization (admin+) Stored Cross-Site Scripting (XSS) vulnerability found in the Seed Webs Seed Fonts plugin versions equal to or less than 2.3.1.

The Impact of CVE-2023-35779

The impact of this vulnerability lies in the potential exploitation of stored XSS, as categorized under CAPEC-592. This can compromise the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-35779

Let's explore the technical aspects of CVE-2023-35779, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers with admin+ authorization to execute stored XSS attacks within the Seed Fonts plugin, leading to potential data theft, session hijacking, and website defacement.

Affected Systems and Versions

Seed Webs Seed Fonts plugin versions up to 2.3.1 are susceptible to this XSS vulnerability, making websites utilizing these versions at risk.

Exploitation Mechanism

The exploit requires high privileges (admin+), user interaction, and network access, allowing attackers to inject malicious scripts into the plugin and manipulate website content.

Mitigation and Prevention

This section focuses on the immediate and long-term steps to mitigate the risks posed by CVE-2023-35779 and safeguard systems from XSS attacks.

Immediate Steps to Take

Update the Seed Fonts plugin to version 2.3.2 or higher to patch the XSS vulnerability.
Regularly monitor website activity for any signs of unauthorized access or malicious content.

Long-Term Security Practices

Implement strict input validation and output encoding practices to prevent XSS attacks.
Educate website administrators on secure coding practices and the risks associated with XSS vulnerabilities.

Patching and Updates

Stay informed about security patches released by Seed Webs and promptly apply them to ensure your website remains protected against known vulnerabilities.