umbraco/umbraco-cms · Security
Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane
- GHSA ID
- GHSA-gvpc-3pj6-4m9w
- CVE ID
- CVE-2024-35218
- Severity
- medium
- Published
- Updated
- CVSS
- 4.2 · CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
- CVSS v3
- 4.2 · CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
Description
Impact
Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application.
Affected versions
Umbraco CMS >= 8.00
Patches
This is fixed in 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing IHtmlSanitizer
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-gvpc-3pj6-4m9w ↗
- https://github.com/umbraco/Umbraco-CMS/commit/1b712fe6ec52aa4e71b3acf63e393c8e6ab85385 ↗
- https://github.com/umbraco/Umbraco-CMS/commit/a2684069b1e9976444f60b4b37a80be05b87f6b6 ↗
- https://github.com/umbraco/Umbraco-CMS/commit/cbf9f9bcd199d7ca0412be3071d275556f10b7ba ↗
- https://github.com/umbraco/Umbraco-CMS/commit/d090176272d07500dac0daee7c598aa8bb321050 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2024-35218 ↗
- https://github.com/advisories/GHSA-gvpc-3pj6-4m9w ↗