MapProxy vulnerable to cross-site scripting in demo service
MapProxy version 1.11.1 and older are vulnerable to cross-site scripting in the demo service resulting in possible information disclosure. An incomplete fix was released in v1.10.4
https://github.com/mapproxy/mapproxy/issues/322#issuecomment-518573169, and a complete fix was released in v1.11.1
https://github.com/mapproxy/mapproxy/commit/436c8f489761d1b4ee22b2440b53cc96bbc28aea.