Two XSS vulnerabilities were fixed in message list and view in the Hupa Webmail application from the Apache James project. An attacker could send a carefully crafted email to a user of Hupa which would trigger a XSS when the email was opened or when a list of messages were viewed. This issue was addressed in Hupa 0.0.3.
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
1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)