CVE-2023-23818: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Aviplugins.Com WP Register Profile With Shortcode WordPress plugin, affecting versions 3.5.7 and below. The vulnerability was identified on January 18, 2023, and was assigned CVE-2023-23818. This security issue specifically affects authenticated users with administrative privileges (Patchstack).

The vulnerability has been assigned a CVSS v3.1 base score of 4.8 (MEDIUM) by NIST with a vector string of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. Patchstack assessed it with 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 under CWE-79 (Improper Neutralization of Input During Web Page Generation) (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 3.5.9 of the plugin. Users are advised to update to version 3.5.9 or later to remove the vulnerability. It's worth noting that the software appears to be abandoned, as it hasn't been updated for over a year, and users should consider replacing it with an alternative solution (Patchstack).