CVE-2023-34368: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Kanban Boards for WordPress plugin versions 2.5.20 and below. The vulnerability requires administrator or higher privileges to exploit and was assigned CVE-2023-34368. The issue was reported on April 17, 2023, and publicly disclosed on June 2, 2023 (Patchstack).

The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue (CWE-79) affecting authenticated users with administrator or higher privileges. It received a CVSS v3.1 base score of 4.8 (Medium) from NVD with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N, while Patchstack assessed it with a score of 5.9 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L (NVD).

The vulnerability could allow a malicious actor with administrative privileges 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 was patched in version 2.5.21 of the Kanban Boards for WordPress plugin. Users are advised to update to version 2.5.21 or later to remove the vulnerability (Patchstack).