CVE-2019-0670 Cross-site scripting in Microsoft SharePoint Enterprise Server
Attackers can spoof content in Microsoft SharePoint due to improper HTTP parsing, potentially misleading users or bypassing security controls.
- 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
- None listed
What is CVE-2019-0670?
CVE-2019-0670 is a medium-severity cross-site scripting vulnerability in Microsoft Sharepoint Enterprise Server, published on 6 Mar 2019. 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
A spoofing vulnerability exists in Microsoft SharePoint when the application does not properly parse HTTP content, aka 'Microsoft SharePoint Spoofing Vulnerability'.
Weakness: CWE-20
Which versions are affected by CVE-2019-0670?
It affects 2 products.
Products include Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Foundation.
How do I fix CVE-2019-0670?
No fix has been published for CVE-2019-0670 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-0670 being exploited?
There is no known exploitation of CVE-2019-0670 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-7v8v-8cwj-4r67.