CVE Field Guide
About Us
CVE-2026-77506
PUBLISHED
Assigner:
mitre
Reserved:
20.08.2026
Published:
20.08.2026
Updated:
20.08.2026
Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.
Metrics
CVSS 3.1
CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS Score:
4.8
CVSS score
4.8
Attack Vector
Network
Scope
Changed
Attack Complexity
Low
Confidentiality Impact
Low
Privileges Required
High
Integrity Impact
Low
User Interaction
Required
Availability Impact
None
CVSS 3.1
Product Status
Vendor
Znuny
Product
Znuny
Versions
Default:
unaffected
affected from 6.0 to 6.5.22 (excl.)
References
https://www.znuny.org/en/advisories/zsa-2026-12
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE