{"items":[{"id":"NVI-00003896","kind":"vulnerability","title":"Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` in Multiples parameters","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-mpjj-4688-3fxg","CVE-2025-66311"],"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 1.11.0-beta.1 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"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-305a857b5ed032df2af0ee002c596d27"],"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":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-c0878e183cfd43763f963e4033b5a0b1"},{"kind":"CVSS","as_of":"2026-09-26T00:10:00.127Z","value":"6.2 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-c0878e183cfd43763f963e4033b5a0b1"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.229%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13772. Missing scores are unknown.","source_id":"sr-305a857b5ed032df2af0ee002c596d27"}],"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-4ee97483a65fabe812e39c130f5ce884","url":"https://github.com/advisories/GHSA-mpjj-4688-3fxg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mpjj-4688-3fxg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"},{"id":"sr-c0878e183cfd43763f963e4033b5a0b1","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66311","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-66311","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:29.811Z"},{"id":"sr-305a857b5ed032df2af0ee002c596d27","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-2025-66311","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.261Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"## Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability was identified in the `/admin/pages/[page]` endpoint of the _Grav_ application. This vulnerability allows attackers to inject malicious scripts into the `data[header][metadata]`, `data[header][taxonomy][category]`, and `data[header][taxonomy][tag]` parameters. These scripts are stored in the page frontmatter and executed automatically whenever the affected page is accessed or rendered in the administrative interface.\n\n---\n\n## Details\n\n**Vulnerable Endpoint:** `POST /admin/pages/[page]`  \n**Parameters:**\n\n- `data[header][metadata]`\n    \n- `data[header][taxonomy][category]`\n    \n- `data[header][taxonomy][tag]`\n    \n\nThe application fails to properly sanitize user input when saving page metadata or taxonomy fields via the Admin Panel. As a result, an attacker with access to the admin interface can inject a malicious script using these parameters, and the script will be stored in the page's YAML frontmatter. When the page or metadata is rendered (especially in the Admin Panel), the payload is executed in the browser of any user with access.\n\n---\n\n## PoC\n\n**Payload:**\n\n`alert('PoC-XXS51')`\n\n### Steps to Repro","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.11.0-beta.1"]}],"null_published_at":"2026-11-07T22:29:23.382Z","source_updated_at":"2026-09-10T03:50:32.020Z","source_disclosed_at":"2025-12-02T00:37:14.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.981Z"},{"id":"NVI-00003896","kind":"vulnerability","title":"Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` in Multiples parameters","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mpjj-4688-3fxg","CVE-2025-66311"],"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 1.11.0-beta.1 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"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-305a857b5ed032df2af0ee002c596d27"],"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":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.229%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13772. Missing scores are unknown.","source_id":"sr-305a857b5ed032df2af0ee002c596d27"}],"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-4ee97483a65fabe812e39c130f5ce884","url":"https://github.com/advisories/GHSA-mpjj-4688-3fxg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mpjj-4688-3fxg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"},{"id":"sr-305a857b5ed032df2af0ee002c596d27","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-2025-66311","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.261Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"## Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability was identified in the `/admin/pages/[page]` endpoint of the _Grav_ application. This vulnerability allows attackers to inject malicious scripts into the `data[header][metadata]`, `data[header][taxonomy][category]`, and `data[header][taxonomy][tag]` parameters. These scripts are stored in the page frontmatter and executed automatically whenever the affected page is accessed or rendered in the administrative interface.\n\n---\n\n## Details\n\n**Vulnerable Endpoint:** `POST /admin/pages/[page]`  \n**Parameters:**\n\n- `data[header][metadata]`\n    \n- `data[header][taxonomy][category]`\n    \n- `data[header][taxonomy][tag]`\n    \n\nThe application fails to properly sanitize user input when saving page metadata or taxonomy fields via the Admin Panel. As a result, an attacker with access to the admin interface can inject a malicious script using these parameters, and the script will be stored in the page's YAML frontmatter. When the page or metadata is rendered (especially in the Admin Panel), the payload is executed in the browser of any user with access.\n\n---\n\n## PoC\n\n**Payload:**\n\n`alert('PoC-XXS51')`\n\n### Steps to Repro","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.11.0-beta.1"]}],"null_published_at":"2026-11-06T15:18:11.490Z","source_updated_at":"2026-09-10T03:50:32.020Z","source_disclosed_at":"2025-12-02T00:37:14.000Z","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":"2026-10-31T21:42:30.981Z"},{"id":"NVI-00003896","kind":"vulnerability","title":"Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` in Multiples parameters","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mpjj-4688-3fxg","CVE-2025-66311"],"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 1.11.0-beta.1 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"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-4ee97483a65fabe812e39c130f5ce884","url":"https://github.com/advisories/GHSA-mpjj-4688-3fxg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mpjj-4688-3fxg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ee97483a65fabe812e39c130f5ce884"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"## Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability was identified in the `/admin/pages/[page]` endpoint of the _Grav_ application. This vulnerability allows attackers to inject malicious scripts into the `data[header][metadata]`, `data[header][taxonomy][category]`, and `data[header][taxonomy][tag]` parameters. These scripts are stored in the page frontmatter and executed automatically whenever the affected page is accessed or rendered in the administrative interface.\n\n---\n\n## Details\n\n**Vulnerable Endpoint:** `POST /admin/pages/[page]`  \n**Parameters:**\n\n- `data[header][metadata]`\n    \n- `data[header][taxonomy][category]`\n    \n- `data[header][taxonomy][tag]`\n    \n\nThe application fails to properly sanitize user input when saving page metadata or taxonomy fields via the Admin Panel. As a result, an attacker with access to the admin interface can inject a malicious script using these parameters, and the script will be stored in the page's YAML frontmatter. When the page or metadata is rendered (especially in the Admin Panel), the payload is executed in the browser of any user with access.\n\n---\n\n## PoC\n\n**Payload:**\n\n`alert('PoC-XXS51')`\n\n### Steps to Repro","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.11.0-beta.1"]}],"null_published_at":"2026-10-31T22:12:52.603Z","source_updated_at":"2026-09-10T03:50:32.020Z","source_disclosed_at":"2025-12-02T00:37:14.000Z","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":"2026-10-31T21:42:30.981Z"}],"next_cursor":null,"snapshot_revision":"42594"}