femanager fails to check access permissions for the invitation component. Depending on the configuration of the plugin, a remote user can create frontend user accounts with access to configured frontend groups.
References:- https://github.com/in2code-de/femanager/commit/cc5f2893613a6b3fd2677c457574ab587a0862ca
- https://github.com/FriendsOfPHP/security-advisories/blob/master/in2code/femanager/CVE-2023-45023.yaml
- https://github.com/in2code-de/femanager/releases/tag/7.2.2
- https://typo3.org/security/advisory/typo3-ext-sa-2023-008
- https://github.com/advisories/GHSA-93j4-v838-8767