CVE-2026-49459

{"id": "CVE-2026-49459", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49459", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T14:17:03.798337Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "cure53", "product": "DOMPurify", "versions": [{"status": "affected", "version": "< 3.4.6"}]}]}], "published": "2026-07-14T21:17:01.743", "references": [{"url": "https://github.com/cure53/DOMPurify/commit/bb7739e5bccec7e1ab3dae3f3e42d02db3acaaae", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cure53/DOMPurify/releases/tag/3.4.6", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-r47g-fvhr-h676", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-r47g-fvhr-h676", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-693"}, {"lang": "en", "value": "CWE-1321"}]}], "descriptions": [{"lang": "en", "value": "DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitize(root, { IN_PLACE: true }) could preserve event-handler attributes on an attacker-controlled <form> root when a descendant name clobbered properties checked by _isClobbered, because _forceRemove no-opped on the parent-less root and _sanitizeAttributes returned early. This issue is fixed in version 3.4.6."}], "lastModified": "2026-07-21T19:51:07.363", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C892F380-B048-4862-B6D1-AC34B0B4D141", "versionEndExcluding": "3.4.6"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}