CVE-2018-8300 Code injection in Microsoft SharePoint
Attackers can execute arbitrary code remotely by exploiting improper validation of application package markup in Microsoft SharePoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8300?
CVE-2018-8300 is a high-severity code injection vulnerability in Microsoft Sharepoint Enterprise Server, published on 11 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka "Microsoft SharePoint Remote Code Execution Vulnerability." This affects Microsoft SharePoint.
Weakness: CWE-20
Which versions are affected by CVE-2018-8300?
It affects 1 product.
Products include Microsoft Sharepoint Enterprise Server.
How do I fix CVE-2018-8300?
No fix has been published for CVE-2018-8300 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2018-8300 being exploited?
There is no known exploitation of CVE-2018-8300 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Enterprise Server
- CVE-2019-0604 Microsoft SharePoint Remote Code Execution
- CVE-2023-24955 Microsoft SharePoint Server Code Injection
- CVE-2025-49706 Microsoft SharePoint Improper Authentication
- CVE-2020-1210 Microsoft SharePoint Remote Code Execution Vulnerability
- CVE-2020-1595 Microsoft SharePoint Remote Code Execution Vulnerability
Sources
Also known as GHSA-r894-c8ph-2pv7.