CVE-2021-28117
libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)
Date published : 2021-03-20
https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60