CVE-2020-0891

MEDIUM

SharePoint Server - Authenticated Reflective Cross-Site Scripting

Title source: llm

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-2020-0795.

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0891

Scores

CVSS v3 5.4

EPSS 0.0151

EPSS Percentile 71.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (4)

microsoft/sharepoint_enterprise_server 2016

microsoft/sharepoint_foundation 2010 sp2

microsoft/sharepoint_foundation 2013 sp1

microsoft/sharepoint_server 2019

Published Mar 12, 2020

Tracked Since Feb 18, 2026