CVE-2024-35218

Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Description

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.

Category

4.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.29%
Vendor Advisory github.com
Affected: umbraco Umbraco-CMS
Published at:
Updated at:

References

Link Tags
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-gvpc-3pj6-4m9w vendor advisory
https://github.com/umbraco/Umbraco-CMS/commit/1b712fe6ec52aa4e71b3acf63e393c8e6ab85385 patch
https://github.com/umbraco/Umbraco-CMS/commit/a2684069b1e9976444f60b4b37a80be05b87f6b6 patch
https://github.com/umbraco/Umbraco-CMS/commit/cbf9f9bcd199d7ca0412be3071d275556f10b7ba patch
https://github.com/umbraco/Umbraco-CMS/commit/d090176272d07500dac0daee7c598aa8bb321050 patch

Frequently Asked Questions

What is the severity of CVE-2024-35218?
CVE-2024-35218 has been scored as a medium severity vulnerability.
How to fix CVE-2024-35218?
To fix CVE-2024-35218, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-35218 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-35218 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-35218?
CVE-2024-35218 affects umbraco Umbraco-CMS.
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