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CVE-2026-50591
Published:June 05, 2026
Updated:August 04, 2026
In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.
Affected Packages
https://github.com/znuny/znuny.git (GITHUB):
Affected version(s) >=rel-6_5_1 <rel-6_5_21
Fix Suggestion:
Update to version rel-6_5_21
https://github.com/znuny/znuny.git (GITHUB):
Affected version(s) >=rel-7_0_1 <rel-7_3_3
Fix Suggestion:
Update to version rel-7_3_3
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CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.13