{"items":[{"id":"NVI-00011910","kind":"vulnerability","title":"ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cv27-6wvh-8x7j","CVE-2026-113661"],"plain_summary":"GitHub lists this reviewed advisory for sanitize-html. 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-1b6f74cc8a46c23e6a0bca99ce734b91"],"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":"2026-10-20T18:15:34.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5a8f3d352b9d64d0ba6e65afb6f23a21"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.263%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18216. Missing scores are unknown.","source_id":"sr-1b6f74cc8a46c23e6a0bca99ce734b91"}],"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-5a8f3d352b9d64d0ba6e65afb6f23a21","url":"https://github.com/advisories/GHSA-cv27-6wvh-8x7j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cv27-6wvh-8x7j","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-1b6f74cc8a46c23e6a0bca99ce734b91","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-2026-113661","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.312Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a8f3d352b9d64d0ba6e65afb6f23a21"],"technology":"sanitize-html","known_exclusions":[],"conditions_summary":"### Summary\n\nCVE-2026-53606 expanded `allowedSchemesAppliedToAttributes` so named URL attributes (`action`, `formaction`, `data`, `poster`, `background`, later `ping`, `xlink:href`, …) go through `naughtyHref()`. A **URL nested inside `meta` `content`** (`http-equiv=refresh`) is not an attribute name on that list, so the embedded destination is never scheme-checked.\n\nDefault `allowedTags` still omit `meta`. Same non-default integrator config as 53606: allow `meta` plus `http-equiv` / `content`.\n\nOn **2.17.7**:\n\n```text\nsanitizeHtml(\n  '',\n  { allowedTags: ['meta'], allowedAttributes: { meta: ['http-equiv', 'content'] } }\n)\n// => \n```\n\n`data:text/html,…` and arbitrary `https:` destinations also survive. `formaction=\"javascript:…\"` (53606) is stripped.\n\nPlease **Request CVE**. Credit: Finder + Reporter (`adrbogacz`).\n\n### Details\n\n`naughtyHref()` only runs when the attribute name is in `allowedSchemesAppliedToAttributes` (`index.js` ~385). Refresh URLs live in a `content` value of the form `0;url=…`, so the gate never fires. Adding `content` to that list who","public_affected_ranges":["< 2.18.0"]}],"null_published_at":"2026-11-08T19:53:44.010Z","source_updated_at":"2026-10-20T18:15:34.000Z","source_disclosed_at":"2026-10-20T18:15:33.000Z","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":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011910","kind":"vulnerability","title":"ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cv27-6wvh-8x7j","CVE-2026-113661"],"plain_summary":"GitHub lists this reviewed advisory for sanitize-html. 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-20621b8eabdc71058aa9b659d3d91557"],"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":"2026-10-20T18:15:34.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5a8f3d352b9d64d0ba6e65afb6f23a21"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.263%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18164. Missing scores are unknown.","source_id":"sr-20621b8eabdc71058aa9b659d3d91557"}],"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-5a8f3d352b9d64d0ba6e65afb6f23a21","url":"https://github.com/advisories/GHSA-cv27-6wvh-8x7j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cv27-6wvh-8x7j","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-20621b8eabdc71058aa9b659d3d91557","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-2026-113661","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.776Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a8f3d352b9d64d0ba6e65afb6f23a21"],"technology":"sanitize-html","known_exclusions":[],"conditions_summary":"### Summary\n\nCVE-2026-53606 expanded `allowedSchemesAppliedToAttributes` so named URL attributes (`action`, `formaction`, `data`, `poster`, `background`, later `ping`, `xlink:href`, …) go through `naughtyHref()`. A **URL nested inside `meta` `content`** (`http-equiv=refresh`) is not an attribute name on that list, so the embedded destination is never scheme-checked.\n\nDefault `allowedTags` still omit `meta`. Same non-default integrator config as 53606: allow `meta` plus `http-equiv` / `content`.\n\nOn **2.17.7**:\n\n```text\nsanitizeHtml(\n  '',\n  { allowedTags: ['meta'], allowedAttributes: { meta: ['http-equiv', 'content'] } }\n)\n// => \n```\n\n`data:text/html,…` and arbitrary `https:` destinations also survive. `formaction=\"javascript:…\"` (53606) is stripped.\n\nPlease **Request CVE**. Credit: Finder + Reporter (`adrbogacz`).\n\n### Details\n\n`naughtyHref()` only runs when the attribute name is in `allowedSchemesAppliedToAttributes` (`index.js` ~385). Refresh URLs live in a `content` value of the form `0;url=…`, so the gate never fires. Adding `content` to that list who","public_affected_ranges":["< 2.18.0"]}],"null_published_at":"2026-11-07T14:01:55.425Z","source_updated_at":"2026-10-20T18:15:34.000Z","source_disclosed_at":"2026-10-20T18:15:33.000Z","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":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011910","kind":"vulnerability","title":"ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cv27-6wvh-8x7j","CVE-2026-113661"],"plain_summary":"GitHub lists this reviewed advisory for sanitize-html. 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-5a8f3d352b9d64d0ba6e65afb6f23a21"],"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":"2026-10-20T18:15:34.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5a8f3d352b9d64d0ba6e65afb6f23a21"}],"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-5a8f3d352b9d64d0ba6e65afb6f23a21","url":"https://github.com/advisories/GHSA-cv27-6wvh-8x7j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cv27-6wvh-8x7j","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5a8f3d352b9d64d0ba6e65afb6f23a21"],"technology":"sanitize-html","known_exclusions":[],"conditions_summary":"### Summary\n\nCVE-2026-53606 expanded `allowedSchemesAppliedToAttributes` so named URL attributes (`action`, `formaction`, `data`, `poster`, `background`, later `ping`, `xlink:href`, …) go through `naughtyHref()`. A **URL nested inside `meta` `content`** (`http-equiv=refresh`) is not an attribute name on that list, so the embedded destination is never scheme-checked.\n\nDefault `allowedTags` still omit `meta`. Same non-default integrator config as 53606: allow `meta` plus `http-equiv` / `content`.\n\nOn **2.17.7**:\n\n```text\nsanitizeHtml(\n  '',\n  { allowedTags: ['meta'], allowedAttributes: { meta: ['http-equiv', 'content'] } }\n)\n// => \n```\n\n`data:text/html,…` and arbitrary `https:` destinations also survive. `formaction=\"javascript:…\"` (53606) is stripped.\n\nPlease **Request CVE**. Credit: Finder + Reporter (`adrbogacz`).\n\n### Details\n\n`naughtyHref()` only runs when the attribute name is in `allowedSchemesAppliedToAttributes` (`index.js` ~385). Refresh URLs live in a `content` value of the form `0;url=…`, so the gate never fires. Adding `content` to that list who","public_affected_ranges":["< 2.18.0"]}],"null_published_at":"2026-11-01T01:03:56.614Z","source_updated_at":"2026-10-20T18:15:34.000Z","source_disclosed_at":"2026-10-20T18:15:33.000Z","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":"2026-10-31T23:13:39.183Z"}],"next_cursor":null,"snapshot_revision":"42594"}