MEDIUM4.2
GHSA-gvpc-3pj6-4m9w
Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane
Quick fix
GHSA-gvpc-3pj6-4m9w — UmbracoCms.Core: upgrade to the fixed version with the command below.
dotnet add package UmbracoCms.Core --version 8.18.13Details
### 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
Are you affected?
Enter the version of the package you're using.
Affected packages
NuGet/UmbracoCms.Core
Introduced in:
8.0.0Fixed in: 8.18.13Fix
dotnet add package UmbracoCms.Core --version 8.18.13NuGet/UmbracoCms.Core
Introduced in:
10.0.0Fixed in: 10.8.4Fix
dotnet add package UmbracoCms.Core --version 10.8.4NuGet/UmbracoCms.Core
Introduced in:
12.0.0Fixed in: 12.3.7Fix
dotnet add package UmbracoCms.Core --version 12.3.7NuGet/UmbracoCms.Core
Introduced in:
13.0.0Fixed in: 13.1.1Fix
dotnet add package UmbracoCms.Core --version 13.1.1References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-gvpc-3pj6-4m9w[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2024-35218[ADVISORY]
- https://github.com/umbraco/Umbraco-CMS/commit/1b712fe6ec52aa4e71b3acf63e393c8e6ab85385[WEB]
- https://github.com/umbraco/Umbraco-CMS/commit/a2684069b1e9976444f60b4b37a80be05b87f6b6[WEB]
- https://github.com/umbraco/Umbraco-CMS/commit/cbf9f9bcd199d7ca0412be3071d275556f10b7ba[WEB]
- https://github.com/umbraco/Umbraco-CMS/commit/d090176272d07500dac0daee7c598aa8bb321050[WEB]
- https://github.com/umbraco/Umbraco-CMS[PACKAGE]