Medium (5.4) in altn mdaemon webmail. EPSS 4.0% chance of exploitation in the next 30 days.
Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.
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
4.0% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)