CVE-2023-32511: 
WordPress vulnerability analysis and mitigation

An unauthorized Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the Booking Ultra Pro Appointments Booking Calendar Plugin for WordPress, affecting versions 1.1.8 and below. The vulnerability was reported on March 30, 2023, and publicly disclosed on May 9, 2023 (Patchstack).

The vulnerability has been assigned CVE-2023-32511 and received a CVSS v3.1 base score of 6.1 (Medium) from NVD with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. Patchstack assigned a slightly higher CVSS score of 7.1 (High) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/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 Cross-Site Scripting vulnerability could allow malicious actors to inject harmful scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when visitors access the affected site, potentially compromising user data and website integrity (Patchstack).

The vulnerability has been patched in version 1.1.9 of the Booking Ultra Pro plugin. Users are advised to update to this version or later to resolve the security issue. Additionally, Patchstack has issued a virtual patch to mitigate this vulnerability by blocking potential attacks until users can update to the fixed version (Patchstack).