Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin. Thus, for example, an XSS payload can be placed in an SVG document.
Jupyter Notebook versiones anteriores a 5.5.0, no utiliza un encabezado CSP para tratar los archivos servidos como pertenecientes a un origen separado. AsÃ, por ejemplo, se puede colocar una carga XSS en un documento SVG.
It was discovered that Jupyter Notebook incorrectly handled certain notebooks. An attacker could possibly use this issue of lack of Content Security Policy in Nbconvert to perform cross-site scripting attacks on the notebook server. This issue only affected Ubuntu 18.04 LTS. It was discovered that Jupyter Notebook incorrectly handled certain SVG documents. An attacker could possibly use this issue to perform cross-site scripting attacks. This issue only affected Ubuntu 18.04 LTS.