Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
getgrav grav-plugin-form unaffected
Version Status Constraints
0 affected < 9.1.22
9.1.22 unaffected —

No data.

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Project Subscriptions

Vendors Products
Getgrav Subscribe
Grav Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/getgrav/grav/security/advisories/GHSA-33m4-m988-5fvh cve-icon cve-icon
https://www.vulncheck.com/advisories/grav-form-plugin-before-9.1.22-cross-page-form-execution cve-icon cve-icon
History

Sat, 05 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Description Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Title Grav Form Plugin before 9.1.22 Cross-Page Form Execution
First Time appeared Getgrav
Getgrav grav
Weaknesses CWE-862
CPEs cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
Vendors & Products Getgrav
Getgrav grav
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-05T12:09:08.147Z

Reserved: 2026-09-05T11:51:31.102Z

Link: CVE-2026-86194

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T13:18:14.727

Modified: 2026-09-05T13:18:14.727

Link: CVE-2026-86194

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T13:30:05Z

Weaknesses