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Vulnerability DatabaseCVE-2025-30903

CVE-2025-30903: 
WordPress vulnerability analysis and mitigation

Overview

The SyntaxHighlighter Evolved WordPress plugin, developed by Alex Mills, contains a DOM-Based Cross-Site Scripting (XSS) vulnerability affecting versions through 3.7.1. The vulnerability was discovered and reported on February 4, 2025, and was publicly disclosed on March 27, 2025 (Patchstack).

Technical details

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) issue. It has been assigned a CVSS v3.1 score of 6.5 (Medium) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability is tracked as CWE-79 (NVD).

Impact

This vulnerability could allow a malicious actor to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when visitors access the affected site, potentially compromising user data and manipulating browser content (Patchstack).

Mitigation and workarounds

The vulnerability has been patched in version 3.7.2 of the SyntaxHighlighter Evolved plugin. Users are advised to update to version 3.7.2 or later to remove the vulnerability. Patchstack users can enable auto-update functionality for vulnerable plugins (Patchstack).

Additional resources

Source: This report was generated using AI

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