zabbix: Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps
CVE-2026-23929 is fixed in zabbix on 1 platform by DEBIAN-CVE-2026-23929 (version 1:7.0.27+dfsg-1), released August 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| zabbix · Debian 14 | 1:7.0.27+dfsg-1 | DEBIAN-CVE-2026-23929 | Aug 29, 2026 |
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