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.
Published: 2020-12-30
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2022-3294 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.
Github GHSA Github GHSA GHSA-95qr-67rx-9pgh Umbraco CMS vulnerable to stored XSS
History

No history.

Subscriptions

Umbraco Umbraco Cms
cve-icon MITRE

Status: PUBLISHED

Assigner: tenable

Published:

Updated: 2024-08-04T08:39:25.908Z

Reserved: 2020-01-06T00:00:00.000Z

Link: CVE-2020-5809

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-30T16:15:12.320

Modified: 2024-11-21T05:34:38.223

Link: CVE-2020-5809

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses