What is CVE-2023-36891?

CVE-2023-36891 is a high-severity vulnerability in Microsoft Sharepoint Server 2019, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2023-08-08.

How severe is CVE-2023-36891?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Microsoft Sharepoint Server 2019

CVE-2023-36891

Microsoft SharePoint Server Spoofing Vulnerability

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Sharepoint Server 2019 — versions 16.0.0
Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
Microsoft Sharepoint_server — versions 2019

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Microsoft SharePoint Server Spoofing Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36891?: CVE-2023-36891 is a high-severity vulnerability in Microsoft Sharepoint Server 2019, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2023-08-08.
How severe is CVE-2023-36891?: High severity. CVSS v3 base score is 8.0 out of 10.