CVE-2020-0795 Cross-site scripting in Microsoft Business Productivity Servers
An authenticated attacker can execute arbitrary scripts in the victim's browser via a crafted request to Microsoft SharePoint Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-0795?
CVE-2020-0795 is a medium-severity cross-site scripting vulnerability in Microsoft Sharepoint Enterprise Server, published on 12 Mar 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
This vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.An authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected SharePoint server, aka 'Microsoft SharePoint Reflective XSS Vulnerability'. This CVE ID is unique from CVE-2020-0891.
Weakness: CWE-79
Which versions are affected by CVE-2020-0795?
It affects 3 products.
Products include Microsoft Business Productivity Servers, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Foundation.
How do I fix CVE-2020-0795?
No fix has been published for CVE-2020-0795 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-2020-0795 being exploited?
There is no known exploitation of CVE-2020-0795 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Enterprise Server
- CVE-2021-27076 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2020-0931 File upload in Microsoft Business Productivity Servers
- CVE-2017-0243 Memory corruption in Microsoft Office 2007 SP2 and SP3, Microsoft Office 2010 SP2, Microsoft Office Web Apps 2010 SP2, and Microsoft Business Productivity Servers 2010 SP2.
- CVE-2019-0558 Cross-site scripting in Microsoft Business Productivity Servers
Sources
Also known as GHSA-pm73-gq9h-764v.