{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-66301", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-11-26T23:11:46.394Z", "datePublished": "2025-12-01T21:30:43.359Z", "dateUpdated": "2025-12-02T16:26:11.043Z" }, "containers": { "cna": { "title": "Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "vectorString": "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", "version": "4.0" } } ], "references": [ { "name": "https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh" } ], "affected": [ { "vendor": "getgrav", "product": "grav", "versions": [ { "version": "< 1.8.0-beta.27", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-01T21:30:43.359Z" }, "descriptions": [ { "lang": "en", "value": "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." } ], "source": { "advisory": "GHSA-v8x2-fjv7-8hjh", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-12-02T16:26:05.124712Z", "id": "CVE-2025-66301", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-02T16:26:11.043Z" } } ] } }