CVE-2023-6742 : Vulnerability Insights and Analysis

This CVE-2023-6742 involves a vulnerability in the Gallery Plugin for WordPress – Envira Photo Gallery, allowing authenticated attackers with contributor access and above to modify galleries on other users' posts due to an improper capability check on the 'envira_gallery_insert_images' function in versions up to and including 1.8.7.1.

Understanding CVE-2023-6742

This section provides insights into the nature of the CVE-2023-6742 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-6742?

The vulnerability in the Gallery Plugin for WordPress – Envira Photo Gallery stems from an improper capability check on the 'envira_gallery_insert_images' function, enabling authenticated attackers with contributor access and above to modify galleries on other users' posts.

The Impact of CVE-2023-6742

With this vulnerability, attackers can unauthorizedly modify data within the plugin, potentially leading to unauthorized changes in galleries on other users' posts. This could result in unauthorized content modification, impacting the integrity and security of the WordPress site.

Technical Details of CVE-2023-6742

Understanding the technical aspects of CVE-2023-6742 is crucial to comprehending the vulnerability's scope and potential risks.

Vulnerability Description

The vulnerability arises from an improper capability check in the 'envira_gallery_insert_images' function of the Gallery Plugin for WordPress – Envira Photo Gallery, allowing attackers to modify galleries on other users' posts.

Affected Systems and Versions

The vulnerability affects all versions of the Gallery Plugin for WordPress – Envira Photo Gallery up to and including 1.8.7.1. Sites utilizing these versions are at risk of unauthorized data modification.

Exploitation Mechanism

Attackers with contributor-level access or higher can exploit this vulnerability to alter galleries on posts of other users, bypassing the intended capabilities of the plugin.

Mitigation and Prevention

Taking immediate steps to address CVE-2023-6742 and implementing long-term security practices can help protect WordPress sites from unauthorized modifications and maintain data integrity.

Immediate Steps to Take

Site administrators should consider updating the Gallery Plugin for WordPress – Envira Photo Gallery to version 1.8.7.3 or a secure version beyond to mitigate the vulnerability. Additionally, monitoring user permissions and restricting unnecessary access can prevent unauthorized modifications.

Long-Term Security Practices

Implementing a proactive security posture, including regular security audits, user access reviews, and prompt patching of software vulnerabilities, can enhance the overall security of WordPress sites.

Patching and Updates

Ensuring timely application of security patches, updates, and maintaining plugin versions can help prevent exploitation of known vulnerabilities like CVE-2023-6742. Regular monitoring of security advisories and maintaining up-to-date security protocols are essential for safeguarding WordPress installations.