angular-translate through 2.19.1 allows XSS via a crafted key that is used by the translate directive. NOTE: the vendor indicates that there is no documentation indicating that a key is supposed to be safe against XSS attacks.
https://stackblitz.com/github/neverendingsupport/angular-translate-xss-2024?file=public%2Findex.html
https://github.com/angular-translate/angular-translate/issues/1418#issuecomment-252498855
https://github.com/angular-translate/angular-translate/issues/1418