CVE-2026-50592

Name: CVE-2026-50592
Creator: NVD / NIST
Published: 2026-06-05T02:17:14.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-50592 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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).. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1

6.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS Probability

0.15%

4.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

https://www.znuny.org/en/advisories/zsa-2026-10

Timeline

Published: Jun 5, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-50592?

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).

How severe is CVE-2026-50592?

CVE-2026-50592 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-50592?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-50592?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST