CVE-2026-77506CWE-79cross-site-scripting

CVE-2026-77506

Medium · published August 21, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-21T01:17Z
References (1)
https://www.znuny.org/en/advisories/zsa-2026-12 · [email protected]
EPSS history
Timeline
  • 20 AUG 20:18Z
    Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS
    cvelistv5