CVE-2026-23929
Published:August 18, 2026
Updated:September 23, 2026
Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filtering dangerous properties like proto, combined with jQuery's unsafe element creation that traversed the prototype chain.
Affected Packages
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.0.22 <7.0.25Fix Suggestion:
Update to version 7.0.25https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.6 <7.4.9Fix Suggestion:
Update to version 7.4.9https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=6.0.44 <6.0.46Fix Suggestion:
Update to version 6.0.46Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
EPSS
Base Score:
0.18