CVE-2015-8813 Umbraco CMS vulnerable to CSRF
Remote attackers can perform server-side request forgery attacks via the url parameter in the FeedProxy dashboard component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-8813?
CVE-2015-8813 is a high-severity server-side request forgery vulnerability in n/a, published on 3 Mar 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-918
Which versions are affected by CVE-2015-8813?
2 open source packages ship an affected version, including Umbraco.CMS. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Umbraco.CMS NuGet | All versions | 7.4.0 |
Umbraco.CMS NuGet | All versions | 7.4.0 |
Products include Umbraco Umbraco.
How do I fix CVE-2015-8813?
Upgrade Umbraco.CMS to 7.4.0 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2015-8813 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-8813 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x34j-wxq8-7vcm.