{"items":[{"id":"NVI-00003390","kind":"vulnerability","title":"Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-v8x2-fjv7-8hjh","CVE-2025-66301"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.8.0-beta.27 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1cc9e752d55bc842ce24fde93a89037c"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-26T00:10:00.127Z","value":"9.6 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-08375a9ad67112a9bcbf469ff5719fd8"},{"kind":"CVSS","as_of":"2026-09-26T00:10:00.127Z","value":"8.6 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-08375a9ad67112a9bcbf469ff5719fd8"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"1.433%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.73081. Missing scores are unknown.","source_id":"sr-1cc9e752d55bc842ce24fde93a89037c"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3cb38c8364d4bb15fae9ab84164f030c","url":"https://github.com/advisories/GHSA-v8x2-fjv7-8hjh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v8x2-fjv7-8hjh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.372Z"},{"id":"sr-08375a9ad67112a9bcbf469ff5719fd8","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66301","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-66301","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:29.811Z"},{"id":"sr-1cc9e752d55bc842ce24fde93a89037c","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-66301","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.261Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nDue to a broken access control vulnerability in the `/admin/pages/{page_name}` endpoint, an editor ( user with full permissions to pages ) can change the functionality of a form after submission.\n\n### Details\nDue 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.\n\n### PoC\n\n- Have Admin and Form plugins installed\n- Connect to panel as admin, create user and give him permission for pages all\n- Now connect as that user and notice you cant edit any process field in the panel\n- Change anything in the content of the form and save\n- Intercept the request:\n!image\n\n- Now modify the field `data[_json][header][form] with the following payload URL-encoded no","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.8.0-beta.27"]}],"null_published_at":"2026-11-04T18:04:03.121Z","source_updated_at":"2026-09-10T03:50:32.206Z","source_disclosed_at":"2025-12-02T00:36:51.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.372Z"},{"id":"NVI-00003390","kind":"vulnerability","title":"Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-v8x2-fjv7-8hjh","CVE-2025-66301"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.8.0-beta.27 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-08375a9ad67112a9bcbf469ff5719fd8"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-26T00:10:00.127Z","value":"9.6 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-08375a9ad67112a9bcbf469ff5719fd8"},{"kind":"CVSS","as_of":"2026-09-26T00:10:00.127Z","value":"8.6 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-08375a9ad67112a9bcbf469ff5719fd8"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3cb38c8364d4bb15fae9ab84164f030c","url":"https://github.com/advisories/GHSA-v8x2-fjv7-8hjh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v8x2-fjv7-8hjh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.372Z"},{"id":"sr-08375a9ad67112a9bcbf469ff5719fd8","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66301","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-66301","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:29.811Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nDue to a broken access control vulnerability in the `/admin/pages/{page_name}` endpoint, an editor ( user with full permissions to pages ) can change the functionality of a form after submission.\n\n### Details\nDue 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.\n\n### PoC\n\n- Have Admin and Form plugins installed\n- Connect to panel as admin, create user and give him permission for pages all\n- Now connect as that user and notice you cant edit any process field in the panel\n- Change anything in the content of the form and save\n- Intercept the request:\n!image\n\n- Now modify the field `data[_json][header][form] with the following payload URL-encoded no","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.8.0-beta.27"]}],"null_published_at":"2026-11-01T14:34:07.507Z","source_updated_at":"2026-09-10T03:50:32.206Z","source_disclosed_at":"2025-12-02T00:36:51.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.372Z"},{"id":"NVI-00003390","kind":"vulnerability","title":"Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v8x2-fjv7-8hjh","CVE-2025-66301"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.8.0-beta.27 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3cb38c8364d4bb15fae9ab84164f030c","url":"https://github.com/advisories/GHSA-v8x2-fjv7-8hjh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v8x2-fjv7-8hjh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.372Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3cb38c8364d4bb15fae9ab84164f030c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nDue to a broken access control vulnerability in the `/admin/pages/{page_name}` endpoint, an editor ( user with full permissions to pages ) can change the functionality of a form after submission.\n\n### Details\nDue 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.\n\n### PoC\n\n- Have Admin and Form plugins installed\n- Connect to panel as admin, create user and give him permission for pages all\n- Now connect as that user and notice you cant edit any process field in the panel\n- Change anything in the content of the form and save\n- Intercept the request:\n!image\n\n- Now modify the field `data[_json][header][form] with the following payload URL-encoded no","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.8.0-beta.27"]}],"null_published_at":"2026-10-31T22:12:48.015Z","source_updated_at":"2026-09-10T03:50:32.206Z","source_disclosed_at":"2025-12-02T00:36:51.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:41.372Z"}],"next_cursor":null,"snapshot_revision":"42594"}