CVE-2021-25034: 
WordPress vulnerability analysis and mitigation

CVE-2021-25034 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the WP User WordPress plugin versions before 7.0. The vulnerability was discovered by Jeremie Amsellem and publicly disclosed on January 31, 2022. The issue exists in pages where the [wp_user] shortcode is used, due to insufficient sanitization and escaping of certain parameters (WPScan).

The vulnerability is caused by improper sanitization and escaping of parameters in pages containing the [wp_user] shortcode. It has been assigned a CVSS v3.1 base score of 6.1 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

When exploited, this vulnerability allows attackers to execute cross-site scripting attacks through reflected parameters, potentially leading to the execution of malicious JavaScript code in users' browsers when they visit specially crafted URLs (WPScan).

The vulnerability has been fixed in WP User plugin version 7.0. Users are advised to update to this version or later to mitigate the risk. No alternative workarounds have been publicly documented (WPScan).