What is GHSA-x27p-fpr7-4wpm?

GHSA-x27p-fpr7-4wpm is a security advisory published by GitHub Security Advisories with High severity. Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in...

Which CVE IDs does GHSA-x27p-fpr7-4wpm cover?

GHSA-x27p-fpr7-4wpm covers the following CVE IDs: CVE-2026-23929. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x27p-fpr7-4wpmHigh

Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in...

Vendor

GitHub Security Advisories

Published

August 18, 2026

Last Modified

August 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-23929 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-23929
https://support.zabbix.com/browse/ZBX-28068
https://github.com/advisories/GHSA-x27p-fpr7-4wpm