CVE-2026-45697

Description

Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.

CVSS Vector

References

• https://github.com/verbb/formie/commit/f690d5623163ce2a95da305238d6367575486ee3
• https://github.com/verbb/formie/releases/tag/2.2.20
• https://github.com/verbb/formie/releases/tag/3.1.24
• https://github.com/verbb/formie/security/advisories/GHSA-x7m9-mwc2-g6w2