CVE-2026-47266

8.7 highEPSS 0.3%

High (8.7). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-05-29
Modified: 2026-07-22
Record from: the NVD, synced 2026-10-19

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

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