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CVE-2026-42548

1 advisory.

Packagist/flightphp/core CVE-2026-42548: high

Flight has reflected XSS through an unvalidated JSONP callback in Flight::jsonp()

Action: Upgrade flightphp/core to 3.18.1 or later.

composer require flightphp/core:3.18.1

Affected

introducedfixedlast affected
03.18.1-

Fixed versions

3.18.1

Sources

CVE-2026-42548 · published · modified · JSON