The vulnerability CVE-2024-51889 in GeroNikolov Fancy User List plugin allows stored cross-site scripting due to improper input neutralization during web page generation. This enables attackers to inject malicious scripts that persist and execute in the context of users viewing the affected pages. The issue affects versions up to 3.1. The CVSS vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with partial impact on confidentiality, integrity, and availability. No patch or official remediation information is provided in the available data.

Successful exploitation can lead to execution of arbitrary scripts in the context of affected users, potentially allowing data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability to a limited degree. The vulnerability requires user interaction and some privileges, reducing the ease of exploitation. No known active exploits have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, users should consider restricting access to the affected plugin or disabling it if possible. Monitor official sources for updates and apply any vendor-provided fixes promptly once released.