Cross-site Scripting (XSS) Affecting znuny package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.25% (15th percentile)

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  • Snyk IDSNYK-ECHOLATEST-ZNUNY-19165994
  • published22 Aug 2026
  • disclosed5 Jun 2026

Introduced: 5 Jun 2026

CVE-2026-50592  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest znuny.

NVD Description

Note: Versions mentioned in the description apply only to the upstream znuny package and not the znuny package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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).