Umbraco CMS vulnerable to CSRF
The Page_Load function in Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs in Umbraco before 7.4.0 allows remote attackers to conduct server-side request forgery (SSRF) attacks via the url parameter.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.CMS | < 7.4.0 | 7.4.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2015-8813
- https://github.com/umbraco/Umbraco-CMS/commit/924a016ffe7ae7ea6d516c07a7852f0095eddbce
- https://web.archive.org/web/20230608160721/https://issues.umbraco.org/issue/U4-7457
- http://www.openwall.com/lists/oss-security/2016/02/16/10
- http://www.openwall.com/lists/oss-security/2016/02/17/1
- http://www.openwall.com/lists/oss-security/2016/02/17/5
- http://www.openwall.com/lists/oss-security/2016/02/18/8
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N- Weakness (CWE)
CWE-918- Platform
- .NET (NuGet)
- Package
Umbraco.CMS- Disclosed
- 17.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-x34j-wxq8-7vcm - CC BY 4.0
Vulnerability history: Umbraco.CMS
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
- 29
- First → latest
- 05.2022 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 17
- Low 7
Disclosures per year
- 2022: 2
- 2023: 8
- 2024: 5
- 2025: 8
- 2026: 6
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Umbraco CMS vulnerable to CSRF this entry
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