CVE-2023-6990 : What You Need to Know

This CVE-2023-6990 was assigned to Weaver Xtreme theme for WordPress by Wordfence. The vulnerability allows for Stored Cross-Site Scripting via custom post meta in versions up to and including 6.3.0. Attackers with contributor-level and above permissions can inject arbitrary web scripts in pages, posing a risk to users who access these pages.

Understanding CVE-2023-6990

The CVE-2023-6990 exposes a vulnerability in the Weaver Xtreme theme for WordPress, allowing attackers to inject malicious scripts into pages, potentially compromising user security.

What is CVE-2023-6990?

CVE-2023-6990 is a vulnerability in the Weaver Xtreme WordPress theme that enables Stored Cross-Site Scripting via custom post meta. This occurs due to insufficient input sanitization and output escaping on user-supplied meta, specifically 'page-head-code'.

The Impact of CVE-2023-6990

The impact of CVE-2023-6990 is significant as it allows authenticated attackers with certain permissions to execute arbitrary web scripts on pages accessed by users. This can lead to data theft, unauthorized actions, or other malicious activities.

Technical Details of CVE-2023-6990

The technical details of CVE-2023-6990 shed light on the vulnerability, affected systems, and how the exploitation occurs.

Vulnerability Description

The vulnerability arises from insufficient input sanitization and output escaping in the 'page-head-code' meta of the Weaver Xtreme theme, enabling attackers to inject malicious scripts.

Affected Systems and Versions

Weaver Xtreme versions up to and including 6.3.0 are affected by CVE-2023-6990. Users utilizing these versions are at risk of falling victim to the Stored Cross-Site Scripting vulnerability.

Exploitation Mechanism

Attackers with contributor-level and above permissions can exploit this vulnerability by injecting malicious web scripts into pages using the 'page-head-code' meta. When accessed by users, these scripts execute, potentially causing harm.

Mitigation and Prevention

Addressing CVE-2023-6990 promptly is crucial to prevent potential security breaches and protect user data.

Immediate Steps to Take

Users of Weaver Xtreme theme should update to versions beyond 6.3.0 to mitigate the vulnerability. It is also recommended to review and sanitize any user-supplied meta inputs to prevent similar attacks in the future.

Long-Term Security Practices

Implementing robust input validation and output escaping practices, along with regular security audits, can enhance the overall security posture of WordPress themes and plugins.

Patching and Updates

Developers should release patches promptly to address vulnerabilities like CVE-2023-6990. Users are advised to install updates and security patches as soon as they become available to stay protected against evolving threats.