title: [20220306] - Core - Inadequate validation of internal URLs
description: An issue was discovered in Joomla! 2.5.0 through 3.10.6 & 4.0.0 through 4.1.0. Inadequate validation of URLs could result into an invalid check whether an redirect URL is internal or not.
problem types: Open redirect
affected:
{
product: Joomla! CMS
vendor: Joomla! Project
versions:
status: affected, version: 2.5.0-3.10.6 & 4.0.0-4.1.0
}