What is GHSA-95qr-67rx-9pgh?

GHSA-95qr-67rx-9pgh is a security advisory published by GitHub Security Advisories with Medium severity. Umbraco CMS vulnerable to stored XSS

Which CVE IDs does GHSA-95qr-67rx-9pgh cover?

GHSA-95qr-67rx-9pgh covers the following CVE IDs: CVE-2020-5809. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-95qr-67rx-9pgh?

GHSA-95qr-67rx-9pgh has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

Which products are affected by GHSA-95qr-67rx-9pgh?

GHSA-95qr-67rx-9pgh affects 1 product, including: nuget/UmbracoCms.Core:\u003c= 8.9.1.

GHSA-95qr-67rx-9pghMediumCVSS 5.4

Umbraco CMS vulnerable to stored XSS

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

August 23, 2023

🔗 CVE IDs covered (1)

CVE-2020-5809 →

📋 Description

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.

🎯 Affected products1

nuget/UmbracoCms.Core:<= 8.9.1

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2020-5809
https://www.tenable.com/security/research/tra-2020-59
https://github.com/advisories/GHSA-95qr-67rx-9pgh