CVE-2026-23929
Medium · 5.4CVSS
5.4
EPSS
0.2%
Published
Aug 18, 2026
CISA due date
—
The record
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
| Ecosystem | Package | Introduced | Fixed |
|---|
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