packages/subjects/pub/subjects.php in Archon 3.21 rev-1 has XSS in the referer parameter in an index.php?subjecttypeid=xxx request, aka Open Bug Bounty ID OBB-466362.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)