XSS in Umbraco Forms
CVE-2024-35239
Umbraco Commerce is an open source dotnet web forms solution. In affected versions an authenticated user that has access to edit Forms may inject unsafe code into Forms components. This issue can be mitigated by configuring TitleAndDescription:AllowUnsafeHtmlRendering after upgrading to one of the patched versions (13.0.1, 12.2.2, 10.5.3, 8.13.13).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Umbraco Forms
- Umbraco Umbraco.forms.issues — versions >= 13.0.0, < 13.0.1, >= 12.0.0, < 12.2.2, >= 10.0.0, < 10.5.3
Weakness classification (CWE)
References
- github.com/umbraco/Umbraco.Forms.Issues/security/advisories/GHSA-p572-p2rj-q5f4 (Vendor Advisory)
- docs.umbraco.com/umbraco-forms/developer/configuration (Product)
- docs.umbraco.com/umbraco-forms/release-notes (Release Notes)
- docs.umbraco.com/umbraco-forms/v/10.forms.latest/release-notes (Release Notes)
- docs.umbraco.com/umbraco-forms/v/12.forms.latest/release-notes (Release Notes)
Frequently asked questions
- What is CVE-2024-35239?
- CVE-2024-35239 is a low-severity vulnerability in Umbraco Forms, classified under Cross-site Scripting. CVSS score: 2.7/10. Published 2024-05-28.
- How severe is CVE-2024-35239?
- Low severity. CVSS v3 base score is 2.7 out of 10.