CVE-2026-47266

Description

Formie is a Craft CMS plugin for creating forms. Prior to 2.2.21 and 3.1.26, unauthenticated users could modify existing submissions by posting a known or guessed submission ID to formie/submissions/save-submission. This vulnerability is fixed in 2.2.21 and 3.1.26.

References

• https://github.com/verbb/formie/releases/tag/2.2.21
• https://github.com/verbb/formie/releases/tag/3.1.26
• https://github.com/verbb/formie/security/advisories/GHSA-pgxq-p76c-x9cg