Home/CVE/A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a speciall
CVE

CVE-2018-8426

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a speciall

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 affects Microsoft SharePoint Server, Microsoft SharePoint.

MEDIUM · CVSS 5.4 EPSS 0.009
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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Affected Products & Versions

3
microsoft sharepoint enterprise server 2013all versions
microsoft sharepoint enterprise server 2016all versions
microsoft sharepoint server 2010all versions
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.0 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Sep 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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Vendor Advisories

1
msrcCVE-2018-8426Information Disclosure
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105208Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041640Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426PatchVendor Advisory
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