CVE-2020-1099

MEDIUM

Microsoft SharePoint Server - Cross-Site Scripting via Web Request

Title source: llm

Description

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, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1100, CVE-2020-1101, CVE-2020-1106.

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1099

Scores

CVSS v3 5.4

EPSS 0.0163

EPSS Percentile 73.7%

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 (2)

microsoft/sharepoint_enterprise_server 2016

microsoft/sharepoint_server 2019

Published May 21, 2020

Tracked Since Feb 18, 2026