CVE-2020-5809
MEDIUM 5.4EPSS 0.7%
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
- Umbraco CMS
- CVSS v3.1 NVD
- 5.4 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS v2.0 NVD
- 3.5 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N - EPSS
- 0.69% chance of exploitation in the next 30 days, 52nd percentile
- Published
- 2020-12-30
- Updated
- 2024-08-04