CVE-2025-58630: 
WordPress vulnerability analysis and mitigation

A stored Cross-Site Scripting (XSS) vulnerability was discovered in the Simple Matomo Tracking Code WordPress plugin, affecting versions through 1.1.0. The vulnerability was reported on August 13, 2025, by Que Thanh Tuan from Blue Rock and was publicly disclosed on September 3, 2025 (Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) with a CVSS v3.1 base score of 5.9 (Medium). The attack vector is network-based (AV:N), requires high privileges (PR:H), user interaction (UI:R), and has a changed scope (S:C) with low impacts to confidentiality, integrity, and availability (NVD).

This vulnerability could allow an authenticated administrator to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

The vulnerability has been fixed in version 1.1.1 of the Simple Matomo Tracking Code plugin. Users are advised to update to version 1.1.1 or later to remove the vulnerability. Patchstack users can enable auto-update for vulnerable plugins (Patchstack).