The Page_Load function in…
Priority MEDIUM 49CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
EPSS 0.11154 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Umbraco.CMS (NuGet): 7.4.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Umbraco.CMS (NuGet) | before 7.4.0 | 7.4.0 | Patch available | GHSA-x34j-wxq8-7vcm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Umbraco.CMS (NuGet) Vendor— Affected before 7.4.0 Fixed in 7.4.0 Patch available GHSA-x34j-wxq8-7vcm
Remediation
- Fix · GHSA-x34j-wxq8-7vcm Umbraco.CMS (NuGet) Fixed in 7.4.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8813
- 2026-10-03 Alias added: GHSA-x34j-wxq8-7vcm
References
Advisory 4
- [oss-security] 20160217 Re: Re: Umbraco - The open source ASP.NET CMS Multiple Vulnerabilities
- [oss-security] 20160217 Re: Re: Umbraco - The open source ASP.NET CMS Multiple Vulnerabilities
- [oss-security] 20160216 Re: Umbraco - The open source ASP.NET CMS Multiple Vulnerabilities
- https://nvd.nist.gov/vuln/detail/CVE-2015-8813
More Umbraco vulnerabilities
- TI-2019-10410 In Umbraco 7.3.8, there is SQL Injection in the… CVSS 3.1CRITICAL 9.8
- TI-2015-07256 Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and… CVSS 3.0HIGH 8.8
- TI-2015-07257 Multiple cross-site scripting (XSS) vulnerabilities in Umbraco before 7.4.0 allow remote… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2015-8813 · CVE Program
- CVE-2015-8813 · NVD
- FIRST EPSS
- GHSA-x34j-wxq8-7vcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences