CVE-2026-23929 (GCVE-0-2026-23929)

Vulnerability from cvelistv5 – Published: 2026-08-18 12:16 – Updated: 2026-08-19 03:55
VLAI
Title
Prototype pollution leading to stored XSS
Summary
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.
Severity
8.5 (High)
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 00:00 UTC
CWE
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ("Prototype Pollution")
Assigner
Zabbix CNA under the mitre root
CNA scorecard B 79/100 over 20 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Zabbix Zabbix Affected: 6.0.44 , ≤ 6.0.45 (git)
Affected: 7.0.22 , ≤ 7.0.24 (git)
Affected: 7.4.6 , ≤ 7.4.8 (git)
guessed Create a notification for this product.
Credits
Zabbix wants to thank Perce, 6o_o9 and Nassim BETTACH @Shenron for submitting this report on the HackerOne bug bounty platform.
Show details on NVD website
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