What is CVE-2023-33159?

CVE-2023-33159 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2023-07-11.

How severe is CVE-2023-33159?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Microsoft Sharepoint Enterprise Server 2016

CVE-2023-33159

Microsoft SharePoint Server Spoofing Vulnerability

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (67.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
Microsoft Sharepoint Server 2019 — versions 16.0.0
Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
Microsoft Sharepoint_server — versions 2016, 2019

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-33159?: CVE-2023-33159 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2023-07-11.
How severe is CVE-2023-33159?: High severity. CVSS v3 base score is 8.8 out of 10.