XSS in Microsoft Sharepoint
CVE-2019-0557
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. This CVE ID is unique from CVE-2019-0556, CVE-2019-0558.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Microsoft Sharepoint — versions Enterprise Server 2016
- Microsoft Sharepoint Server — versions 2016
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106388 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0557 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-0557?
- CVE-2019-0557 is a medium-severity vulnerability in Microsoft Sharepoint, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-01-08.
- How severe is CVE-2019-0557?
- Medium severity. CVSS v3 base score is 5.4 out of 10.