An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A Stored XSS issue allows remote unauthenticated attackers to abuse a helpdesk user’s logged in session. A user with sufficient privileges to change their login-page image must open a crafted ticket.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13992
Reference (s):
- https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise