Description
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.)
References (5)
Core 5
Core References
Third Party Advisory
https://github.com/KDE/discover/releases
Patch, Third Party Advisory
https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60
Patch, Vendor Advisory
https://kde.org/info/security/advisory-20210310-1.txt
Product, Vendor Advisory
https://userbase.kde.org/Discover
Scores
CVSS v3
7.5
EPSS
0.0071
EPSS Percentile
72.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (1)
kde/discover
< 5.21.3
Published
Mar 20, 2021
Tracked Since
Feb 18, 2026