XSS in Microsoft Sharepoint Enterprise Server 2013 Service Pack 1
CVE-2020-1198
<p>A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.</p> <p>The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.</p> <p>The security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.</p>
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.
Affected products
- Microsoft Sharepoint Enterprise Server 2013 Service Pack 1 — versions 15.0.0
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Foundation 2013 Service Pack 1 — versions 15.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint_enterprise_server — versions 2016
- Microsoft Sharepoint_foundation — versions 2010, 2013
- Microsoft Sharepoint_server — versions 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1198?
- CVE-2020-1198 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2013 Service Pack 1, classified under Cross-site Scripting. CVSS score: 7.4/10. Published 2020-09-11.
- How severe is CVE-2020-1198?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2020-1198 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.