{"id":"CVE-2026-113661","state":"PUBLISHED","title":"ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs","description":"ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default configuration that allows meta refresh elements and their http-equiv and content attributes can retain unsafe script or redirect destinations embedded in the refresh content value. This issue is fixed in sanitize-html 2.18.0.","publishedAt":"2026-10-20T17:11:20.577Z","updatedAt":"2026-10-21T15:53:24.980Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["apostrophecms apostrophe","apostrophecms sanitize-html"],"affected":[{"vendor":"apostrophecms","product":"apostrophe","versions":[{"version":"< 4.33.0","status":"affected"}]},{"vendor":"apostrophecms","product":"sanitize-html","versions":[{"version":"< 2.18.0","status":"affected"}]}],"references":["https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-cv27-6wvh-8x7j","https://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce","https://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350","https://github.com/apostrophecms/apostrophe/releases/tag/sanitize-html@2.18.0"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113661.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113661","state":"PUBLISHED","datePublished":"2026-10-20T17:11:20.577Z","dateUpdated":"2026-10-21T15:53:24.980Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-20T14:27:46.641Z"},"containers":{"cna":{"title":"ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs","descriptions":[{"lang":"en","value":"ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default configuration that allows meta refresh elements and their http-equiv and content attributes can retain unsafe script or redirect destinations embedded in the refresh content value. This issue is fixed in sanitize-html 2.18.0."}],"affected":[{"vendor":"apostrophecms","product":"apostrophe","versions":[{"version":"< 4.33.0","status":"affected"}]},{"vendor":"apostrophecms","product":"sanitize-html","versions":[{"version":"< 2.18.0","status":"affected"}]}],"references":[{"url":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-cv27-6wvh-8x7j","name":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-cv27-6wvh-8x7j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce","name":"https://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce","tags":["x_refsource_MISC"]},{"url":"https://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350","name":"https://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350","tags":["x_refsource_MISC"]},{"url":"https://github.com/apostrophecms/apostrophe/releases/tag/sanitize-html@2.18.0","name":"https://github.com/apostrophecms/apostrophe/releases/tag/sanitize-html@2.18.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-20T17:11:20.577Z"},"source":{"advisory":"GHSA-cv27-6wvh-8x7j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-21T14:24:37.938948Z","id":"CVE-2026-113661","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-21T15:53:24.980Z"}}]}}}