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Type:
Defect (Security)
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Resolution: Fixed
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Priority:
Major
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None
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Affects Version/s: None
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Component/s: Frontend (F)
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None
| CVE ID | CVE-2026-23929 |
| CVSS score | 8.5 (High) |
| CVSS vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| Affected components | Frontend |
| Summary | Prototype pollution leading to stored XSS |
| 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. |
| Known attack vectors | An authenticated Zabbix user could inject the malicious HTML into the Zabbix UI (Map page). |
| Affected and fix version/s | Affected: 6.0.44 - 6.0.45 → Fixed: 6.0.46 Affected: 7.0.22 - 7.0.24 → Fixed: 7.0.25 Affected: 7.4.6 - 7.4.8 → Fixed: 7.4.9 |
| Mitigation | Update the affected components to their respective fixed versions. |
| Workarounds | - |
| Acknowledgements | Zabbix wants to thank Perce, 6o_o9 and Nassim BETTACH @Shenron for submitting this report on the HackerOne bug bounty platform. |