Versions of the package djangorestframework before 3.15.2 are vulnerable to Cross-site Scripting (XSS) via the break_long_headers template filter due to improper input sanitization before splitting and joining with <br> tags.
https://security.snyk.io/vuln/SNYK-PYTHON-DJANGORESTFRAMEWORK-7252137
https://github.com/encode/django-rest-framework/pull/9435
https://github.com/encode/django-rest-framework/compare/3.15.1...3.15.2
https://github.com/encode/django-rest-framework/commit/3b41f0124194430da957b119712978fa2266b642