XXL SSO is vulnerable to an Open Redirect through malicious manipulation of the redirect_url argument

A vulnerability, which was classified as problematic, has been found in Xuxueli xxl-sso 1.1.0. This issue affects some unknown processing of the file /xxl-sso-server/doLogin. The manipulation of the argument redirect_url leads to open redirect. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.