CVE-2023-7071: 
WordPress vulnerability analysis and mitigation

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress (CVE-2023-7071) is vulnerable to Stored Cross-Site Scripting via the Table of Contents block in versions up to and including 4.4.6. The vulnerability was discovered and disclosed on January 11, 2024, affecting the WordPress plugin developed by WPDeveloper (NVD).

The vulnerability stems from insufficient input sanitization and output escaping in the Table of Contents block functionality. The CVSS v3.1 base score is 5.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).

When exploited, this vulnerability allows authenticated attackers with contributor-level access and above to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page, potentially leading to unauthorized data access or manipulation of user sessions (NVD).

Users are advised to update their Essential Blocks plugin to version 4.4.7 or later, which contains the security patch for this vulnerability. The fix has been implemented in the Table of Contents component (WordPress Patch).