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MEDIUM severity

Formie: Missing authorization in administrative settings allows low-privileged CP users to modify plugin configurationGHSA-cvpc-hccg-wmw4

MEDIUM

GHSA-cvpc-hccg-wmw4 is a medium-severity (CVSS 6.3) vulnerability in verbb/formie. A fix is available for verbb/formie — see the affected versions and patch details below.

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Sep 24, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐘verbb/formie

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Formie contains a missing authorization vulnerability in administrative settings routes. An authenticated, non-admin Craft CMS control panel user with limited Formie access could directly access Formie settings pages and modify global plugin configuration.

In affected versions, Formie settings-related control panel routes did not consistently enforce the required settings permission on the server side. A low-privileged Craft CMS control panel user with limited Formie access could access /admin/formie/settings, save changes to global plugin settings, and access /admin/formie/settings/import-export.

The issue has been fixed by enforcing the formie-accessSettings permission across Formie settings controllers and related settings actions.

Impact

An authenticated low-privileged CP user may be able to:

  • Access Formie administrative settings.
  • Modify global Formie plugin configuration.
  • Access Formie import/export settings functionality.

This may allow configuration tampering and disruption of form-related workflows. Exploitation requires an authenticated Craft CMS control panel account.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistverbb/formieall versions3.1.28composer require verbb/formie:^3.1.28

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for verbb/formie, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update verbb/formie to 3.1.28 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-cvpc-hccg-wmw4 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Formie contains a missing authorization vulnerability in administrative settings routes. An authenticated, non-admin Craft CMS control panel user with limited Formie access could directly access Formie settings pages and modify global plugin configuration. In affected versions, Formie settings-related control panel routes did not consistently enforce the required settings permission on the server side. A low-privileged Craft CMS control panel user with limited Formie access could access /admin/formie/settings, save changes to global plugin settings, and access /admin/formie/settings/import-ex
O3 Security · Impact-Aware SCA

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Formie: Missing authorization in administrative settings…