CVE-2023-28423: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in Prism Tech Studios Modern Footnotes WordPress plugin versions 1.4.15 and below. The vulnerability was identified on March 15, 2023, and requires administrator or higher privileges to exploit (Patchstack).

The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue (CWE-79) with a CVSS v3.1 base score of 4.8 (Medium) according to NVD, and 5.9 (Medium) according to Patchstack. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N, indicating that the vulnerability requires network access, low attack complexity, high privileges, and user interaction to exploit (NVD).

If exploited, this 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 then be executed when visitors access the affected site (Patchstack).

The vulnerability has been fixed in version 1.4.16 of the Modern Footnotes plugin. Users are advised to update to version 1.4.16 or later to remove the vulnerability. Patchstack users have the option to enable auto-update for vulnerable plugins (Patchstack).