{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113650","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-20T14:27:46.640Z","datePublished":"2026-10-20T16:19:12.100Z","dateUpdated":"2026-10-28T14:02:38.500Z"},"containers":{"cna":{"title":"ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe (stack overflow, nestingLimit not enforced)","problemTypes":[{"descriptions":[{"cweId":"CWE-674","lang":"en","description":"CWE-674: Uncontrolled Recursion","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"references":[{"name":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-c9rx-x947-fp3h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-c9rx-x947-fp3h"},{"name":"https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498","tags":["x_refsource_MISC"],"url":"https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498"},{"name":"https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea","tags":["x_refsource_MISC"],"url":"https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea"},{"name":"https://github.com/apostrophecms/apostrophe/releases/tag/sanitize-html@2.18.1","tags":["x_refsource_MISC"],"url":"https://github.com/apostrophecms/apostrophe/releases/tag/sanitize-html@2.18.1"}],"affected":[{"vendor":"apostrophecms","product":"apostrophe","versions":[{"version":"< 4.34.0","status":"affected"}]},{"vendor":"apostrophecms","product":"sanitize-html","versions":[{"version":">= 2.18.0, < 2.18.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-20T16:19:12.100Z"},"descriptions":[{"lang":"en","value":"ApostropheCMS is an open-source Node.js content management system. In sanitize-html 2.18.0, when an <iframe> is not allowed and disallowedTagsMode is 'discard' (the defaults), its raw-text content is re-sanitized by a recursive call to sanitizeHtml(text, options). The recursion has no bound and starts each nested call with a fresh state. This vulnerability is fixed in 2.18.1."}],"source":{"advisory":"GHSA-c9rx-x947-fp3h","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-c9rx-x947-fp3h","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-28T14:02:31.342366Z","id":"CVE-2026-113650","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-28T14:02:38.500Z"}}]}}