{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44644", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-07T15:30:10.875Z", "datePublished": "2026-06-17T21:50:24.743Z", "dateUpdated": "2026-06-18T13:09:26.903Z"}, "containers": {"cna": {"title": "LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/harttle/liquidjs/security/advisories/GHSA-2qv6-9wx5-cwv4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/harttle/liquidjs/security/advisories/GHSA-2qv6-9wx5-cwv4"}, {"name": "https://github.com/harttle/liquidjs/commit/26ea2856c7a90aec892b98d94a9b7a3e18539045", "tags": ["x_refsource_MISC"], "url": "https://github.com/harttle/liquidjs/commit/26ea2856c7a90aec892b98d94a9b7a3e18539045"}, {"name": "https://github.com/harttle/liquidjs/releases/tag/v10.26.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/harttle/liquidjs/releases/tag/v10.26.0"}], "affected": [{"vendor": "harttle", "product": "liquidjs", "versions": [{"version": "< 10.26.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-17T21:50:24.743Z"}, "descriptions": [{"lang": "en", "value": "LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the strip_html filter logic. The strip_html filter is intended to remove HTML tags from a string before rendering, and is widely used as an XSS sanitizer. The implementation uses a regex whose catch-all branch (<.*?>) does not match line terminators, so any HTML tag containing a \\n or \\r character passes through unmodified. An attacker who can place a newline inside a tag (e.g. <img\\nsrc=x\\nonerror=alert(1)>) bypasses sanitization entirely, since browsers treat newlines as whitespace within a tag and execute the resulting onerror/onload/etc. handler. Exploitation is possible for applications that both render attacker-controlled strings via {{ x | strip_html }} to defend against HTML injection and do not separately HTML-escape that output (default behavior \u2014 outputEscape is unset by default). This issue has been fixed in version 10.26.0."}], "source": {"advisory": "GHSA-2qv6-9wx5-cwv4", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/harttle/liquidjs/security/advisories/GHSA-2qv6-9wx5-cwv4", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-18T13:09:01.490176Z", "id": "CVE-2026-44644", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-06-18T13:09:26.903Z"}}]}}

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