PT-2026-79119 · Znuny+2 · Znuny+1

CVE-2026-77506

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Published

2026-08-20

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Updated

2026-08-25

CVSS v3.1

4.8

Medium

VectorAV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions Znuny versions prior to LTS 6.5.22
Description Cross-site Scripting (XSS) is possible via the AgentTicketEmailResend template. XSS is a security flaw where malicious scripts are injected into trusted websites.
Recommendations Update to version LTS 6.5.22 or later.

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-77506

Affected Products

Znuny
Otrs2