CVE-2023-40552: 
WordPress vulnerability analysis and mitigation

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Gurchanan Singh Fitness calculators WordPress plugin versions 2.0.7 and below. The vulnerability was disclosed on August 16, 2023, and was assigned CVE-2023-40552 (Patchstack).

The vulnerability has been assigned a CVSS v3.1 Base Score of 4.8 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N according to NVD assessment. Patchstack 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. The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) (NVD).

This vulnerability could allow a malicious actor with administrative access to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into the website which will be executed when guests visit the site (Patchstack).

The vulnerability has been fixed in version 2.0.9 of the Fitness calculators plugin. Users are advised to update to version 2.0.9 or later to remove the vulnerability. The security issue has been classified as having a low severity impact and is considered unlikely to be exploited (Patchstack).