{"action":"Upgrade getgrav/grav to 1.8.0-beta.27 or later.","affected":[{"fixed":"1.8.0-beta.27","introduced":"0"}],"component":"getgrav/grav","cve_ids":["CVE-2025-66301"],"ecosystem":"Packagist","epss":0.01433,"exploited":false,"fixed_versions":["1.8.0-beta.27"],"ghsa_id":"GHSA-v8x2-fjv7-8hjh","id":"tcs_01M5KF8ZZP8Z0TKRF836NZJ8SS","modified_at":"2026-09-10T03:50:32.206616404Z","published_at":"2025-12-02T00:36:51Z","references":["https://osv.dev/vulnerability/GHSA-v8x2-fjv7-8hjh","https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh","https://nvd.nist.gov/vuln/detail/CVE-2025-66301","https://github.com/getgrav/grav"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"GHSA-v8x2-fjv7-8hjh","url":"https://osv.dev/vulnerability/GHSA-v8x2-fjv7-8hjh"},{"source":"nvd","source_id":"CVE-2025-66301","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66301"}],"summary":"Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions"}