Learn about CVE-2020-1573, a cross-site-scripting (XSS) vulnerability in Microsoft SharePoint Server. Discover affected versions, impact, and mitigation steps.
Microsoft Office SharePoint XSS Vulnerability was published on August 17, 2020. It affects multiple Microsoft SharePoint products.
Understanding CVE-2020-1573
A cross-site-scripting (XSS) vulnerability in SharePoint Server allows attackers to execute malicious scripts on affected systems.
What is CVE-2020-1573?
XSS vulnerability in Microsoft SharePoint Server
Attackers can exploit by sending crafted web requests
Allows unauthorized access and manipulation of user data
The Impact of CVE-2020-1573
Enables attackers to perform cross-site scripting attacks
Run scripts in the user's security context
Unauthorized access to content and user actions on SharePoint sites
Technical Details of CVE-2020-1573
This section provides technical details about the vulnerability.
Vulnerability Description
XSS vulnerability in SharePoint Server
Attacker exploit through specially crafted requests
Affected Systems and Versions
Microsoft SharePoint Enterprise Server 2016 (version 16.0.0)
Microsoft SharePoint Enterprise Server 2013 (version 15.0.0)
Microsoft SharePoint Server 2019 (version 16.0.0)
Microsoft SharePoint Foundation 2010 (version 13.0.0)
Microsoft SharePoint Foundation 2013 (version 15.0.0)
Exploitation Mechanism
Attacker sends crafted web requests
Executes scripts in the user's security context
Mitigation and Prevention
Protect your systems against the CVE-2020-1573 vulnerability.
Immediate Steps to Take
Apply the security update from Microsoft
Educate users on identifying and avoiding suspicious links
Monitor and filter user-generated content for malicious scripts
Long-Term Security Practices
Regular security training for users and IT staff
Implement web application firewalls
Keep systems and software up to date
Patching and Updates
Install security updates promptly
Follow best practices for securing SharePoint environments
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