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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*", "matchCriteriaId": "E9D412ED-B744-4750-B6D4-3D55C8DCD8D0", "versionEndExcluding": "5.10.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*", "matchCriteriaId": "0328BE76-BE2B-48C0-B4D1-B6B04C9AB29C", "versionEndExcluding": "6.7.1", "versionStartIncluding": "6.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "TinyMCE is an open source rich text editor. A mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE\u2019s core undo and redo functionality. When a carefully-crafted HTML snippet passes the XSS sanitisation layer, it is manipulated as a string by internal trimming functions before being stored in the undo stack. If the HTML snippet is restored from the undo stack, the combination of the string manipulation and reparative parsing by either the browser's native [DOMParser API](https://developer.mozilla.org/en-US/docs/Web/API/DOMParser) (TinyMCE 6) or the SaxParser API (TinyMCE 5) mutates the HTML maliciously, allowing an XSS payload to be executed. This vulnerability has been patched in TinyMCE 5.10.8 and TinyMCE 6.7.1 by ensuring HTML is trimmed using node-level manipulation instead of string manipulation. Users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "TinyMCE es un editor de texto enriquecido de c\u00f3digo abierto. Se descubri\u00f3 una vulnerabilidad de Cross-Site Scripting (XSS) en la funcionalidad principal de deshacer y rehacer de TinyMCE. Cuando un fragmento de HTML cuidadosamente manipulado pasa la capa de sanitizaci\u00f3n XSS, las funciones de recorte internas lo manipulan como una cadena antes de almacenarlo en la pila de deshacer. Si el fragmento HTML se restaura desde la pila de deshacer, la combinaci\u00f3n de manipulaci\u00f3n de cadenas y an\u00e1lisis reparativo mediante la [API DOMParser] nativa del navegador (https://developer.mozilla.org/en-US/docs/Web/API/ DOMParser) (TinyMCE 6) o la API SaxParser (TinyMCE 5) muta el HTML de forma maliciosa, permitiendo que se ejecute un payload XSS. Esta vulnerabilidad se ha solucionado en TinyMCE 5.10.8 y TinyMCE 6.7.1 garantizando que HTML se recorte mediante manipulaci\u00f3n a nivel de nodo en lugar de manipulaci\u00f3n de cadenas. Se recomienda a los usuarios que actualicen. 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