Threats Tagged 'cve-2026-41238'
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Threats Tagged 'cve-2026-41238'
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CVE-2026-41238: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in cure53 DOMPurifyCVE-2026-41238 0 DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions 3.0.1 through 3.3.3 are vulnerable to a prototype pollution-based XSS bypass. When an application uses `DOMPurify.sanitize()` with the default configuration (no `CUSTOM_ELEMENT_HANDLING` option), a prior prototype pollution gadget can inject permissive `tagNameCheck` and `attributeNameCheck` regex values into `Object.prototype`, causing DOMPurify to allow arbitrary custom elements with arbitrary attributes — including event handlers — through sanitization. Version 3.4.0 fixes the issue. Join the discussion | CVE Database V5 | 04/23/2026, 14:43:17 UTC Added: 04/23/2026, 22:34:32 UTC |
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