CVE-2026-77506 — MEDIUM (4.8)

Vulnerability Description

Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

4.8

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

What is CVE-2026-77506?

CVE-2026-77506 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

How severe is CVE-2026-77506?

CVE-2026-77506 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-77506?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.