CVE-2018-8431

CWE-79 — Cross-site Scripting (XSS)4 documents4 sources

Severity

5.4MEDIUM

EPSS

1.1%

top 22.32%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Microsoft Microsoft Sharepoint Microsoft Microsoft Sharepoint Server Microsoft Sharepoint Enterprise Server +1 more

Timeline

PublishedSep 13

Latest updateMay 13

Description

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint. This CVE ID is unique from CVE-2018-8428.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages4 packages

▶NVDmicrosoft/sharepoint_server2010

▶CVEListV5microsoft/microsoft_sharepoint_server2010 Service Pack 2

▶NVDmicrosoft/sharepoint_enterprise_server2013, 2016+1

▶CVEListV5microsoft/microsoft_sharepointEnterprise Server 2013 Service Pack 1, Enterprise Server 2016+1

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

GHSA

GHSA-ghwf-x2xw-g7q3: An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affec↗2022-05-13

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CVEList

CVE-2018-8431: An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affec↗2018-09-13

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📋Vendor Advisories

Microsoft

Microsoft SharePoint Elevation of Privilege Vulnerability↗2018-09-11

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