CVE-2025-58984: 
WordPress vulnerability analysis and mitigation

A stored Cross-Site Scripting (XSS) vulnerability was discovered in nanbu Welcart e-Commerce plugin affecting versions through 2.11.20. The vulnerability was disclosed on September 9, 2025, and was assigned CVE-2025-58984. The issue involves improper neutralization of input during web page generation (NVD, Patchstack).

The vulnerability has been assigned a CVSS v3.1 base score of 5.9 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L. The attack vector is Network-based, requires High privileges and User Interaction, with Changed scope and Low impact on Confidentiality, Integrity, and Availability. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD, Patchstack).

The 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 guests visit the affected site (Patchstack).

The vulnerability has been fixed in version 2.11.21 of the Welcart e-Commerce plugin. Users are advised to update to version 2.11.21 or later to remove the vulnerability. Patchstack users can enable auto-update for vulnerable plugins (Patchstack).