Talishar is a fan-made Flesh and Blood project. A Stored XSS exists in the chat in-game system. The playerID parameter in SubmitChat.php and is saved without sanitization and executed whenever a user view the current page game. This vulnerability is fixed by 09dd00e5452e3cd998eb1406a88e5b0fa868e6b4.
https://github.com/Talishar/Talishar/security/advisories/GHSA-rrr4-h2pc-57g6
https://github.com/Talishar/Talishar/commit/09dd00e5452e3cd998eb1406a88e5b0fa868e6b4