{"kind": "version", "path": "vulns/npm/dompurify/3.4.9", "name": "dompurify", "product": "dompurify", "ecosystem": "npm", "version": "3.4.9", "items": [{"id": "CVE-2026-116804", "noindex": false, "published": "2026-10-26T23:05:35.850Z", "modified": "2026-10-26T23:05:35.850Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00178, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-116804", "title": "DOMPurify from 3.4.4 before 3.4.17 SAFE_FOR_TEMPLATES Bypass via Shadow Root Content", "description": "DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which merge after removal and are evaluated by downstream template engines for cross-site scripting.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-cg2g-xh64-v4q7", "https://www.vulncheck.com/advisories/dompurify-from-3.4.4-before-3.4.17-safe-for-templates-bypass-via-shadow-root-content", "https://nvd.nist.gov/vuln/detail/CVE-2026-116804"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-116803", "noindex": false, "published": "2026-10-26T23:05:35.135Z", "modified": "2026-10-26T23:05:35.135Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00164, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-116803", "title": "DOMPurify before 3.4.17 DOM XSS via IN_PLACE Hook-Detached Subtrees", "description": "DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to keep event handlers armed when an IN_PLACE hook removes a parent or sibling node. Attacker markup in detached subtrees is never walked or neutralized, so handlers like img onerror fire after sanitize() returns, causing DOM XSS.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-mrv2-3pqr-j5jr", "https://www.vulncheck.com/advisories/dompurify-before-3.4.17-dom-xss-via-in-place-hook-detached-subtrees", "https://nvd.nist.gov/vuln/detail/CVE-2026-116803"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-116802", "noindex": false, "published": "2026-10-26T23:05:34.457Z", "modified": "2026-10-26T23:05:34.457Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00217, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-116802", "title": "DOMPurify before 3.4.17 XSS via SMIL attributeName Guard Bypass in XHTML Mode", "description": "DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to bypass the SMIL attributeName=href guard when PARSER_MEDIA_TYPE is application/xhtml+xml, because transformCaseFunc does not lowercase attribute names. Attackers can submit SVG with an animate or set element using attributeName=\"href\" and a javascript: entry in values to execute script when users click the sanitized link.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-c6gr-qvv4-5v3f", "https://www.vulncheck.com/advisories/dompurify-before-3.4.17-xss-via-smil-attributename-guard-bypass-in-xhtml-mode", "https://nvd.nist.gov/vuln/detail/CVE-2026-116802"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-109345", "noindex": false, "published": "2026-10-12T16:05:29.905Z", "modified": "2026-10-13T17:40:08.757Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.0025, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-109345", "title": "DOMPurify before 3.4.16 XSS via IN_PLACE Returned Rawtext Root", "description": "DOMPurify before 3.4.16 contains a cross-site scripting vulnerability that allows attackers to bypass sanitization because IN_PLACE mode returns a force-removed style element whose text content still carries markup. Attackers can supply a style element containing a closing style tag and an img onerror payload, which executes script when the application serializes and re-parses the returned node.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-6688-9rhm-gjv2", "https://www.vulncheck.com/advisories/dompurify-before-3.4.16-xss-via-in-place-returned-rawtext-root", "https://nvd.nist.gov/vuln/detail/CVE-2026-109345"], "fixes": ["3.4.16"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-75838", "noindex": false, "published": "2026-08-18T11:19:47.885Z", "modified": "2026-08-18T13:38:34.515Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00394, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-75838", "title": "DOMPurify before 3.4.13 Cross-Site Scripting via IN_PLACE hook", "description": "DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned root appears clean.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7", "https://www.vulncheck.com/advisories/dompurify-before-cross-site-scripting-via-in-place-hook", "https://nvd.nist.gov/vuln/detail/CVE-2026-75838"], "fixes": ["3.4.13"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-66010", "noindex": false, "published": "2026-07-24T12:07:57.374Z", "modified": "2026-09-17T17:54:37.884Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00215, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-66010", "title": "DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING", "description": "DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into innerHTML sinks, creating second-order XSS gadgets.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-c2j3-45gr-mqc4", "https://www.vulncheck.com/advisories/dompurify-before-hook-bypass-via-custom-element-handling", "https://nvd.nist.gov/vuln/detail/CVE-2026-66010"], "fixes": ["3.4.12"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-65898", "noindex": false, "published": "2026-07-23T13:16:17.715Z", "modified": "2026-07-23T15:47:13.882Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00212, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-65898", "title": "DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollution via setConfig", "description": "DOMPurify before 3.4.11 fails to clone the ALLOWED_ATTR allowlist when setConfig() is used with an uponSanitizeAttribute hook, allowing the hook to permanently mutate the shared allowlist. Attackers can register a hook that conditionally allows dangerous attributes like onerror for trusted elements, then submit untrusted content that inherits the polluted allowlist and executes event handlers as stored XSS.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-cmwh-pvxp-8882", "https://www.vulncheck.com/advisories/dompurify-before-permanent-attribute-allowlist-pollution-via-setconfig", "https://nvd.nist.gov/vuln/detail/CVE-2026-65898"], "fixes": ["3.4.11"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}], "total": 7, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": ["3.4.16", "3.4.13", "3.4.12", "3.4.11", "3.4.9", "3.4.8", "3.4.7", "3.4.6", "3.4.5", "3.4.4", "3.4.0", "3.3.2"], "stats": {"recent": 4, "kev": 0}, "lastmod": "2026-10-26T23:05:35.850Z", "early_advisories": [], "license": "Sie dürfen die Auswahl von PatchFirst und unsere Ergänzungen (Prioritäten, Frühwarnungen, Texte, Zusammenfassungen und Aggregate) für eigene Zwecke einschließlich interner geschäftlicher Aufgaben frei nutzen. Weiterverkauf, kommerzielle Verbreitung und massenhafte Spiegelung dieser Auswahl oder Ergänzungen erfordern eine schriftliche Vereinbarung mit dem Betreiber. Nennen Sie bei jeder Nutzung oder Veröffentlichung der Auswahl oder unserer Ergänzungen PatchFirst (https://patchfirst.dev/vulns/) mit diesem Link zur Feedseite Ihrer Region als Quelle. Originaleinträge aus offenen Quellen unterliegen weiterhin ihren jeweiligen Lizenzen und Bedingungen. Diese Bedingungen beschränken Ihre Rechte an den Originaldaten nicht, die Sie direkt bei den Quellen beziehen können.", "terms_url": "https://patchfirst.dev/de/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst wählt Einträge aus, normalisiert und kombiniert sie; Zusammenfassungen und Übersetzungen können hinzukommen. Nachrichten werden im jeweiligen Eintrag mit einem Link zur Originalquelle belegt.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. 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