CVE-2026-50592: Znuny

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

In Znuny LTS before 6.5.21 and Znuny before 7.3.3, there is reflected XSS in AdminCommunicationLog (aka the communication log administration view).

Affected products

• Znuny Znuny: before 6.5.21 (fixed in 6.5.21); from 7.0.0, before 7.3.3 (fixed in 7.3.3)

Published 2026-06-05. Last modified 2026-10-06.