CVE Daily

CVE-2020-5809

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authent...

Medium CVSS 5.4

Overview

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.

CWE: CWE-79 Published: 2020-12-30T16:15:12.320
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.4 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

Recommended tools

Tags