{"items":[{"id":"NVI-00006039","kind":"vulnerability","title":"Grav: Stored XSS via quoted-attribute bypass in detectXss","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-269c-h76q-8cxw","CVE-2026-72832"],"plain_summary":"GitHub lists this reviewed advisory for getgrav/grav. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-240f1083d6e24095a1c8e7f2e7859232"],"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},{"summary":"The original advisory lists fixed boundaries 2.0.13 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"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":[{"kind":"CVSS","as_of":"2026-09-17T17:28:35.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-2239b154a0b930c0b58bcf049ea4d2ec"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.314%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24359. Missing scores are unknown.","source_id":"sr-240f1083d6e24095a1c8e7f2e7859232"}],"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-2239b154a0b930c0b58bcf049ea4d2ec","url":"https://github.com/advisories/GHSA-269c-h76q-8cxw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-269c-h76q-8cxw","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T14:29:49.409Z"},{"id":"sr-a532968398a0b8bbdc10efaaf8fa70a5","url":"https://github.com/advisories/GHSA-269c-h76q-8cxw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-269c-h76q-8cxw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.011Z"},{"id":"sr-240f1083d6e24095a1c8e7f2e7859232","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-2026-72832","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.862Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2239b154a0b930c0b58bcf049ea4d2ec"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nA page editor without `admin.super` can place an event handler after a `>` inside a quoted attribute. Grav accepts and stores the page, then executes the handler in the application origin when a visitor opens it.\n\n### Details\n\n`Security::detectXss()` (`system/src/Grav/Common/Security.php:253`) anchors the `on_events` scan at `]*?`, which cannot cross the first literal `>`. When that character is inside a quoted value, the browser keeps the tag open and parses the later `onerror` attribute, so the detector and browser disagree. `AdminController::savePage()` relies on this detector when saving content from page editors outside the `admin.super` whitelist.\n\n### PoC\n\nI reproduced this with `getgrav/grav` 2.0.11 (`ad9709f865b09b68798fb1ac375b484a8cc1d892`), Admin 1.10.52, and Quark 2 1.1.4.\n\n1. Sign in as a user with `admin.login` and `admin.pages`, but without `admin.super`.\n2. Create or edit `/xsstest` and save this page body:\n\n```html\n\" onerror=alert(document.domain)>\n```\n\n3. Open `/xsstest` in a private browser window.\n\nThe save succeeds and the visitor sees an alert containing the site domain. With the body changed to `<img src=x oner","public_affected_ranges":[">= 1.5.2, <= 2.0.12"]},{"certainty":"source_listed","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nA page editor without `admin.super` can place an event handler after a `>` inside a quoted attribute. Grav accepts and stores the page, then executes the handler in the application origin when a visitor opens it.\n\n### Details\n\n`Security::detectXss()` (`system/src/Grav/Common/Security.php:253`) anchors the `on_events` scan at `]*?`, which cannot cross the first literal `>`. When that character is inside a quoted value, the browser keeps the tag open and parses the later `onerror` attribute, so the detector and browser disagree. `AdminController::savePage()` relies on this detector when saving content from page editors outside the `admin.super` whitelist.\n\n### PoC\n\nI reproduced this with `getgrav/grav` 2.0.11 (`ad9709f865b09b68798fb1ac375b484a8cc1d892`), Admin 1.10.52, and Quark 2 1.1.4.\n\n1. Sign in as a user with `admin.login` and `admin.pages`, but without `admin.super`.\n2. Create or edit `/xsstest` and save this page body:\n\n```html\n\" onerror=alert(document.domain)>\n```\n\n3. Open `/xsstest` in a private browser window.\n\nThe save succeeds and the visitor sees an alert containing the site domain. With the body changed to `<img src=x oner","public_affected_ranges":["ECOSYSTEM: introduced 1.5.2; fixed 2.0.13"]}],"null_published_at":"2026-11-07T14:01:58.745Z","source_updated_at":"2026-09-17T17:28:35.000Z","source_disclosed_at":"2026-09-17T17:28:34.000Z","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":"2026-10-31T21:41:40.011Z"},{"id":"NVI-00006039","kind":"vulnerability","title":"Grav: Stored XSS via quoted-attribute bypass in detectXss","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-269c-h76q-8cxw","CVE-2026-72832"],"plain_summary":"GitHub lists this reviewed advisory for getgrav/grav. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2239b154a0b930c0b58bcf049ea4d2ec"],"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},{"summary":"The original advisory lists fixed boundaries 2.0.13 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"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":[{"kind":"CVSS","as_of":"2026-09-17T17:28:35.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-2239b154a0b930c0b58bcf049ea4d2ec"}],"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-2239b154a0b930c0b58bcf049ea4d2ec","url":"https://github.com/advisories/GHSA-269c-h76q-8cxw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-269c-h76q-8cxw","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T14:29:49.409Z"},{"id":"sr-a532968398a0b8bbdc10efaaf8fa70a5","url":"https://github.com/advisories/GHSA-269c-h76q-8cxw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-269c-h76q-8cxw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.011Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2239b154a0b930c0b58bcf049ea4d2ec"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nA page editor without `admin.super` can place an event handler after a `>` inside a quoted attribute. Grav accepts and stores the page, then executes the handler in the application origin when a visitor opens it.\n\n### Details\n\n`Security::detectXss()` (`system/src/Grav/Common/Security.php:253`) anchors the `on_events` scan at `]*?`, which cannot cross the first literal `>`. When that character is inside a quoted value, the browser keeps the tag open and parses the later `onerror` attribute, so the detector and browser disagree. `AdminController::savePage()` relies on this detector when saving content from page editors outside the `admin.super` whitelist.\n\n### PoC\n\nI reproduced this with `getgrav/grav` 2.0.11 (`ad9709f865b09b68798fb1ac375b484a8cc1d892`), Admin 1.10.52, and Quark 2 1.1.4.\n\n1. Sign in as a user with `admin.login` and `admin.pages`, but without `admin.super`.\n2. Create or edit `/xsstest` and save this page body:\n\n```html\n\" onerror=alert(document.domain)>\n```\n\n3. Open `/xsstest` in a private browser window.\n\nThe save succeeds and the visitor sees an alert containing the site domain. With the body changed to `<img src=x oner","public_affected_ranges":[">= 1.5.2, <= 2.0.12"]},{"certainty":"source_listed","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nA page editor without `admin.super` can place an event handler after a `>` inside a quoted attribute. Grav accepts and stores the page, then executes the handler in the application origin when a visitor opens it.\n\n### Details\n\n`Security::detectXss()` (`system/src/Grav/Common/Security.php:253`) anchors the `on_events` scan at `]*?`, which cannot cross the first literal `>`. When that character is inside a quoted value, the browser keeps the tag open and parses the later `onerror` attribute, so the detector and browser disagree. `AdminController::savePage()` relies on this detector when saving content from page editors outside the `admin.super` whitelist.\n\n### PoC\n\nI reproduced this with `getgrav/grav` 2.0.11 (`ad9709f865b09b68798fb1ac375b484a8cc1d892`), Admin 1.10.52, and Quark 2 1.1.4.\n\n1. Sign in as a user with `admin.login` and `admin.pages`, but without `admin.super`.\n2. Create or edit `/xsstest` and save this page body:\n\n```html\n\" onerror=alert(document.domain)>\n```\n\n3. Open `/xsstest` in a private browser window.\n\nThe save succeeds and the visitor sees an alert containing the site domain. With the body changed to `<img src=x oner","public_affected_ranges":["ECOSYSTEM: introduced 1.5.2; fixed 2.0.13"]}],"null_published_at":"2026-11-02T10:00:37.177Z","source_updated_at":"2026-09-17T17:28:35.000Z","source_disclosed_at":"2026-09-17T17:28:34.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:40.011Z"},{"id":"NVI-00006039","kind":"vulnerability","title":"Grav: Stored XSS via quoted-attribute bypass in detectXss","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-269c-h76q-8cxw","CVE-2026-72832"],"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 2.0.13 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"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-a532968398a0b8bbdc10efaaf8fa70a5","url":"https://github.com/advisories/GHSA-269c-h76q-8cxw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-269c-h76q-8cxw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:40.011Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a532968398a0b8bbdc10efaaf8fa70a5"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nA page editor without `admin.super` can place an event handler after a `>` inside a quoted attribute. Grav accepts and stores the page, then executes the handler in the application origin when a visitor opens it.\n\n### Details\n\n`Security::detectXss()` (`system/src/Grav/Common/Security.php:253`) anchors the `on_events` scan at `]*?`, which cannot cross the first literal `>`. When that character is inside a quoted value, the browser keeps the tag open and parses the later `onerror` attribute, so the detector and browser disagree. `AdminController::savePage()` relies on this detector when saving content from page editors outside the `admin.super` whitelist.\n\n### PoC\n\nI reproduced this with `getgrav/grav` 2.0.11 (`ad9709f865b09b68798fb1ac375b484a8cc1d892`), Admin 1.10.52, and Quark 2 1.1.4.\n\n1. Sign in as a user with `admin.login` and `admin.pages`, but without `admin.super`.\n2. Create or edit `/xsstest` and save this page body:\n\n```html\n\" onerror=alert(document.domain)>\n```\n\n3. Open `/xsstest` in a private browser window.\n\nThe save succeeds and the visitor sees an alert containing the site domain. With the body changed to `<img src=x oner","public_affected_ranges":["ECOSYSTEM: introduced 1.5.2; fixed 2.0.13"]}],"null_published_at":"2026-10-31T22:13:05.856Z","source_updated_at":"2026-09-17T17:45:04.217Z","source_disclosed_at":"2026-09-17T17:28:34.000Z","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":"2026-10-31T21:41:40.011Z"}],"next_cursor":null,"snapshot_revision":"42594"}