CVE-2020-5809 – umbracocms.core

Package

Manager: nuget
Name: umbracocms.core
Vulnerable Version: >=0 <=8.9.1

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: 0.0042 pctl0.61098

Details

Umbraco CMS vulnerable to stored XSS 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.

Metadata

Created: 2022-05-24T17:37:51Z
Modified: 2023-08-23T13:41:55Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-95qr-67rx-9pgh/GHSA-95qr-67rx-9pgh.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-95qr-67rx-9pgh
Finding: F425
Auto approve: 1