templates/forms/thanks.html in Formspree before 2018-01-23 allows XSS related to the _next parameter.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
---|---|
https://github.com/formspree/formspree/commit/5f18eeaaa459bee9a58f70cdf7c46adb1ef34ea7 | issue tracking exploit third party advisory |