Medium (5.4) in linuxserver heimdall application dashboard. EPSS 0.4% chance of exploitation in the next 30 days.
Heimdall Application Dashboard through 2.5.4 allows reflected and stored XSS via "Application name" to the "Add application" page. The stored XSS will be triggered in the "Application list" page.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)