XSS in Umbraco Umbraco-Cms
CVE-2024-35218
Umbraco CMS is an ASP.NET CMS used by more than 730.000 websites. Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application. This vulnerability has been patched in version(s) 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing IHtmlSanitizer.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (27.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Umbraco Umbraco-cms — versions >= 8.0.0, < 8.18.13, >= 10.0.0, < 10.8.4, >= 12.0.0, < 12.3.7
- Umbraco Umbraco_cms
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-35218?
- CVE-2024-35218 is a medium-severity vulnerability in Umbraco Umbraco-Cms, classified under Cross-site Scripting. CVSS score: 4.2/10. Published 2024-05-21.
- How severe is CVE-2024-35218?
- Medium severity. CVSS v3 base score is 4.2 out of 10.