An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.Referenceshttps://plone.org/security/hotfix/20200121/an-open-redirection-on-the-login-form-and-possibly-other-placeshttps://plone.org/security/hotfix/20200121https://www.openwall.com/lists/oss-security/2020/01/22/1http://www.openwall.com/lists/oss-security/2020/01/24/1
