Name: CVE-2020-5809: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2020-12-30T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-5809, CWE-79, CVSS 5.4, EPSS 0.0042

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.

CVSS Details

CVSS 3.1 Base Score: 5.4
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

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CVSS Details

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