An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14454
Reference (s):
- https://mattermost.com/security-updates/