CVE-2023-23821: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Marcin Pietrzak Interactive Polish Map WordPress plugin versions 1.2 and below. The vulnerability was identified on January 9, 2023, and publicly disclosed on January 20, 2023. This security issue affects WordPress installations using the vulnerable plugin versions (Patchstack).

The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue that requires administrator-level access for exploitation. It has been assigned a CVSS v3.1 base score of 4.8 (MEDIUM) by NIST with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. Patchstack has assigned a slightly higher CVSS 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 access 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 1.2.1 of the Interactive Polish Map plugin. Users are advised to update to version 1.2.1 or later to remove the vulnerability. Patchstack users have the option to enable auto-update for vulnerable plugins (Patchstack).