A vulnerability was found in openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.
https://www.openwall.com/lists/oss-security/2021/07/29/2
https://security.openstack.org/ossa/OSSA-2021-002.html
https://security.gentoo.org/glsa/202305-02
https://opendev.org/openstack/nova/commit/8906552cfc2525a44251d4cf313ece61e57251eb
https://opendev.org/openstack/nova/commit/04d48527b62a35d912f93bc75613a6cca606df66
https://bugzilla.redhat.com/show_bug.cgi?id=1961439