{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92106", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-09-21T12:15:01.326Z", "datePublished": "2026-09-25T09:33:13.051Z", "dateUpdated": "2026-09-25T09:33:13.051Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:dashbitco:lazy_html:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.LazyHTML.Tree'", "'Elixir.LazyHTML'", "'Elixir.LazyHTML.NIF'"], "packageName": "lazy_html", "packageURL": "pkg:hex/lazy_html", "product": "lazy_html", "programFiles": ["lib/lazy_html/tree.ex", "lib/lazy_html.ex", "c_src/lazy_html.cpp"], "programRoutines": [{"name": "'Elixir.LazyHTML.Tree':to_html/2"}, {"name": "'Elixir.LazyHTML':to_html/2"}, {"name": "is_noescape_text_node"}], "repo": "https://github.com/dashbitco/lazy_html", "vendor": "dashbitco", "versions": [{"lessThan": "0.1.13", "status": "affected", "version": "0.1.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:dashbitco:lazy_html:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.LazyHTML.Tree'", "'Elixir.LazyHTML'", "'Elixir.LazyHTML.NIF'"], "packageName": "dashbitco/lazy_html", "packageURL": "pkg:github/dashbitco/lazy_html", "product": "lazy_html", "programFiles": ["lib/lazy_html/tree.ex", "lib/lazy_html.ex", "c_src/lazy_html.cpp"], "programRoutines": [{"name": "'Elixir.LazyHTML.Tree':to_html/2"}, {"name": "'Elixir.LazyHTML':to_html/2"}, {"name": "is_noescape_text_node"}], "repo": "https://github.com/dashbitco/lazy_html", "vendor": "dashbitco", "versions": [{"lessThan": "f32c7fd6223225b68bc8691c78b6d4a77972f1d5", "status": "affected", "version": "1dee15746c024916b3110af8b168c2f3b3065fbd", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dashbitco:lazy_html:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.1.13", "versionStartIncluding": "0.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "reporter", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Jonatan K\u0142osko"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "analyst", "value": "Jos\u00e9 Valim"}], "dateAssigned": "2026-09-24T13:39:50.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dashbitco lazy_html allows mutation XSS via a parse and serialize round-trip of attacker-supplied HTML.</p>\n<p><code>LazyHTML.to_html/2</code> and <code>LazyHTML.Tree.to_html/2</code> decide whether to escape an element's text from its tag name alone. A <code>style</code> or <code>script</code> element inside SVG or MathML foreign content is parsed with character references decoded, but is serialized as an HTML raw-text element, so its text is emitted unescaped. Encoded markup such as <code>&amp;lt;/style&amp;gt;&amp;lt;img src=x onerror=...&amp;gt;</code> inside <code>&lt;svg&gt;&lt;style&gt;</code> therefore closes the element on re-parse and becomes live markup. Applications that parse untrusted HTML with lazy_html, filter the document or tree, and serialize it for display are affected, since the payload is a plain text node that no element or attribute filter sees.</p>\n<p>This issue affects lazy_html: from 0.1.0 before 0.1.13.</p>"}, {"base64": false, "type": "text/markdown", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dashbitco lazy_html allows mutation XSS via a parse and serialize round-trip of attacker-supplied HTML.\n\n`LazyHTML.to_html/2` and `LazyHTML.Tree.to_html/2` decide whether to escape an element's text from its tag name alone. A `style` or `script` element inside SVG or MathML foreign content is parsed with character references decoded, but is serialized as an HTML raw-text element, so its text is emitted unescaped. Encoded markup such as `&lt;/style&gt;&lt;img src=x onerror=...&gt;` inside `<svg><style>` therefore closes the element on re-parse and becomes live markup. Applications that parse untrusted HTML with lazy_html, filter the document or tree, and serialize it for display are affected, since the payload is a plain text node that no element or attribute filter sees.\n\nThis issue affects lazy_html: from 0.1.0 before 0.1.13."}], "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dashbitco lazy_html allows mutation XSS via a parse and serialize round-trip of attacker-supplied HTML.\n\nLazyHTML.to_html/2 and LazyHTML.Tree.to_html/2 decide whether to escape an element's text from its tag name alone. A style or script element inside SVG or MathML foreign content is parsed with character references decoded, but is serialized as an HTML raw-text element, so its text is emitted unescaped. Encoded markup such as &lt;/style&gt;&lt;img src=x onerror=...&gt; inside <svg><style> therefore closes the element on re-parse and becomes live markup. Applications that parse untrusted HTML with lazy_html, filter the document or tree, and serialize it for display are affected, since the payload is a plain text node that no element or attribute filter sees.\n\nThis issue affects lazy_html: from 0.1.0 before 0.1.13."}], "impacts": [{"capecId": "CAPEC-63", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>An attacker who can submit HTML to an application that sanitizes it with lazy_html can run script in the browsers of users who view the sanitized output.</p>"}, {"base64": false, "type": "text/markdown", "value": "An attacker who can submit HTML to an application that sanitizes it with lazy_html can run script in the browsers of users who view the sanitized output."}], "value": "An attacker who can submit HTML to an application that sanitizes it with lazy_html can run script in the browsers of users who view the sanitized output."}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 2.3, "baseSeverity": "LOW", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-09-25T09:33:13.051Z"}, "references": [{"name": "GitHub Advisory", "tags": ["related", "vendor-advisory"], "url": "https://github.com/dashbitco/lazy_html/security/advisories/GHSA-8rqp-v692-v82q"}, {"name": "EEF CNA record for CVE-2026-92106", "tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-92106.html"}, {"name": "OSV record EEF-CVE-2026-92106", "tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-92106"}, {"name": "Introducing commit 1dee157 in dashbitco/lazy_html", "tags": ["related"], "url": "https://github.com/dashbitco/lazy_html/commit/1dee15746c024916b3110af8b168c2f3b3065fbd"}, {"name": "Fix commit f32c7fd in dashbitco/lazy_html", "tags": ["patch"], "url": "https://github.com/dashbitco/lazy_html/commit/f32c7fd6223225b68bc8691c78b6d4a77972f1d5"}], "source": {"discovery": "EXTERNAL"}, "title": "lazy_html serializes SVG and MathML style and script text unescaped, allowing mutation XSS"}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:dashbitco:lazy_html:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.LazyHTML.Tree'", "'Elixir.LazyHTML'", "'Elixir.LazyHTML.NIF'"], "packageName": "lazy_html", "packageURL": "pkg:hex/lazy_html", "product": "lazy_html", "programFiles": ["lib/lazy_html/tree.ex", "lib/lazy_html.ex", "c_src/lazy_html.cpp"], "programRoutines": [{"name": "'Elixir.LazyHTML.Tree':to_html/2"}, {"name": "'Elixir.LazyHTML':to_html/2"}, {"name": "is_noescape_text_node"}], "repo": "https://github.com/dashbitco/lazy_html", "vendor": "dashbitco", "versions": [{"lessThan": "0.1.13", "status": "affected", "version": "0.1.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:dashbitco:lazy_html:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.LazyHTML.Tree'", "'Elixir.LazyHTML'", "'Elixir.LazyHTML.NIF'"], "packageName": "dashbitco/lazy_html", "packageURL": "pkg:github/dashbitco/lazy_html", "product": "lazy_html", "programFiles": ["lib/lazy_html/tree.ex", "lib/lazy_html.ex", "c_src/lazy_html.cpp"], "programRoutines": [{"name": "'Elixir.LazyHTML.Tree':to_html/2"}, {"name": "'Elixir.LazyHTML':to_html/2"}, {"name": "is_noescape_text_node"}], "repo": "https://github.com/dashbitco/lazy_html", "vendor": "dashbitco", "versions": [{"lessThan": "f32c7fd6223225b68bc8691c78b6d4a77972f1d5", "status": "affected", "version": "1dee15746c024916b3110af8b168c2f3b3065fbd", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dashbitco lazy_html allows mutation XSS via a parse and serialize round-trip of attacker-supplied HTML.\n\nLazyHTML.to_html/2 and LazyHTML.Tree.to_html/2 decide whether to escape an element's text from its tag name alone. A style or script element inside SVG or MathML foreign content is parsed with character references decoded, but is serialized as an HTML raw-text element, so its text is emitted unescaped. Encoded markup such as &lt;/style&gt;&lt;img src=x onerror=...&gt; inside <svg><style> therefore closes the element on re-parse and becomes live markup. Applications that parse untrusted HTML with lazy_html, filter the document or tree, and serialize it for display are affected, since the payload is a plain text node that no element or attribute filter sees.\n\nThis issue affects lazy_html: from 0.1.0 before 0.1.13."}], "id": "CVE-2026-92106", "lastModified": "2026-09-25T10:17:08.263", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-09-25T10:17:08.263", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-92106.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/dashbitco/lazy_html/commit/1dee15746c024916b3110af8b168c2f3b3065fbd"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/dashbitco/lazy_html/commit/f32c7fd6223225b68bc8691c78b6d4a77972f1d5"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/dashbitco/lazy_html/security/advisories/GHSA-8rqp-v692-v82q"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-92106"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"created": "2026-09-25T11:15:05.646473+00:00", "updated": "2026-09-25T11:15:05.646488+00:00", "vendors": []}