IDURAR (aka idurar-erp-crm) through 2.0.1 allows stored XSS via a PATCH request with a crafted JSON email template in the /api/email/update data.
https://github.com/wbowm15/jubilant-enigma/blob/main/writeup.md
https://github.com/idurar/idurar-erp-crm/compare/2.0.1...2.1.0