Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.
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History

Mon, 01 Dec 2025 21:45:00 +0000

Type Values Removed Values Added
Description Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.
Title Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions
Weaknesses CWE-285
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-12-01T21:30:43.359Z

Reserved: 2025-11-26T23:11:46.394Z

Link: CVE-2025-66301

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-01T22:15:49.607

Modified: 2025-12-01T22:15:49.607

Link: CVE-2025-66301

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.