Horde Trean, as used in Horde Groupware Webmail Edition through 5.2.22 and other products, allows CSRF, as demonstrated by the treanBookmarkTags parameter to the trean/ URI on a webmail server. NOTE: treanBookmarkTags could, for example, be a stored XSS payload.
- 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.