CVE-2026-59788 — Stored XSS vulnerability in OAuth configuration form

CVE-2026-59788

Stored XSS vulnerability in OAuth configuration form PUBLISHED

Description (CNA)

The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent.

Affected (CNA)

Vendor / product	Versions
Zabbix / Zabbix	affected 7.4.0 through 7.4.11

CWE

CWE-79

References

https://support.zabbix.com/browse/ZBX-28198

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.