CVE-2026-47423-dompurify-xss-detector

DOMPurify re-clone logic flaw. Instead of relying on easily stripped source comments or version variables, this tool performs logic fingerprinting on minified production JavaScript bundles to identify unpatched allowed-tag layouts. Vulnerability Summary In DOMPurify versions up to 3.4.4, the...

Cross-site Scripting (XSS)

Overview justhtml is an A pure Python HTML5 parser that just works. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the selectedcontent process. An attacker can execute arbitrary scripts in the context of a user's browser by injecting SVG or MathML elements with...

CVE-2026-74793

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

CVE-2026-74793 justhtml before 3.11.0 XSS via selectedcontent projection

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

CVE-2026-74793

justhtml versions before 3.11.0 are affected by a cross-site scripting (XSS) vulnerability in the default sanitizer. The root cause is that event handler removal is bypassed in selectedcontent projections : an attacker can inject SVG or MathML elements carrying event handlers, which are then clon...

CVE-2026-74793 justhtml before 3.11.0 XSS via selectedcontent projection

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

CVE-2026-74793 justhtml before 3.11.0 XSS via selectedcontent projection

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

CVE-2026-74793

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

CVE-2026-74793: Improper Neutralization of Input During Web Page Generation

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling...

SUSE CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

DEBIAN-CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

UBUNTU-CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423 DOMPurify XSS via `selectedcontent` re-clone

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423 DOMPurify XSS via `selectedcontent` re-clone

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

EUVD-2026-44443

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

CVE-2026-47423

DOMPurify 3.4.4 contains a default allowlist misconfiguration that lets the selectedcontent element bypass sanitization by browser re-cloning after DOMPurify processes the subtree. This creates an XSS risk when attacker-controlled HTML is sanitized and then inserted (e.g., via innerHTML), since t...

CVE-2026-47423 DOMPurify XSS via `selectedcontent` re-clone

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...