CVE-2026-56393 | Craft CMS up to 4.17.0-beta.0/5.9.0-beta.0 Setting cross site scripting (GHSA-4mgv-366x-qxvx)

June 21, 2026 Yanac

A vulnerability marked as problematic has been reported in Craft CMS up to 4.17.0-beta.0/5.9.0-beta.0. Affected is an unknown function of the component Setting Handler. The manipulation leads to cross site scripting.

This vulnerability is referenced as CVE-2026-56393. Remote exploitation of the attack is possible. No exploit is available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More