Horde Groupware Webmail Edition through 5.2.22 allows XSS via an admin/user.php?form=update_f&user_name= or admin/user.php?form=remove_f&user_name= or admin/config/diff.php?app= URI.
- https://bugs.horde.org/ticket/14926
- https://cxsecurity.com/issue/WLB-2019050199
- https://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.html
- https://www.exploit-db.com/exploits/46903
No PoCs found on GitHub currently.