Firefly III before 4.7.17.1 is vulnerable to stored XSS due to lack of filtration of user-supplied data in a budget name. The JavaScript code is contained in a transaction, and is executed on the tags/show/$tag_number$ tag summary page. NOTE: It is asserted that an attacker must have the same access rights as the user in order to be able to execute the vulnerability

Firefly III vulnerable to stored XSS