According to the changelog: 4.1.0 (2018-12-18) - Fixed security issue related to escaping external URLs - Fixed security issue related to option tags in forms
takagisan
Javier Casares
No
2018-12-18 (about 4 years ago)
2019-01-07 (about 4 years ago)
2020-09-22 (about 2 years ago)