CVE-2026-23929

Medium

Description

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductZabbix
PublishedAug 18, 2026
First seenAug 18, 2026

How to fix

Update
  • zabbix zabbix6.0.46, 7.0.25, 7.4.9 or later

Affected products

ProductAffected versionsFixed in
zabbix zabbix6.0.0 ≤ v < 6.0.46, 7.0.0 ≤ v < 7.0.25, 7.4.0 ≤ v < 7.4.96.0.46, 7.0.25, 7.4.9

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