Umbraco CMS XXE Vulnerability
XML external entity (XXE) vulnerability in Umbraco CMS before 7.7.3 allows attackers to obtain sensitive information by reading files on the server or sending TCP requests to intranet hosts (aka SSRF), related to Umbraco.Web/umbraco.presentation/umbraco/dialogs/importDocumenttype.aspx.cs.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | UmbracoCms.Web | < 7.7.3 | 7.7.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-15280
- https://github.com/umbraco/Umbraco-CMS/commit/5dde2efe0d2b3a47d17439e03acabb7ea2befb64
- https://github.com/umbraco/Umbraco-CMS
- https://github.com/umbraco/Umbraco-CMS/blob/release-7.7.3/src/Umbraco.Web/Umbraco.Web.csproj
- http://issues.umbraco.org/issue/U4-10506
- CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-611- Platform
- .NET (NuGet)
- Package
UmbracoCms.Web- Disclosed
- 17.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-h2vq-7gf2-qw9v - CC BY 4.0
Vulnerability history: UmbracoCms.Web
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 05.2022 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
Disclosures per year
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Umbraco CMS XXE Vulnerability this entry
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