Cross-Site Scripting (XSS) Vulnerability in WP-UserOnline WordPress Plugin

CVE-2023-5560 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

The WP-UserOnline WordPress plugin before 2.88.3 does not sanitise and escape the X-Forwarded-For header before outputting its content on the page, which allows unauthenticated users to perform Cross-Site Scripting attacks.

Learn more about our Wordpress Pen Testing.