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5.4
CVE-2019-0557: SharePoint Server could let attackers run script in browsers
CVE-2019-0557 · published 7 years ago
Summary
SharePoint Server may accept specially crafted web requests that insert malicious code into pages viewed by users. This could allow an attacker to steal information or perform actions on behalf of the user. Apply the latest security updates from Microsoft and ensure web traffic is filtered for unexpected content.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | sharepoint_server |
2016 cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:* |
Original advisory text
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...
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.
References
- http://www.securityfocus.com/bid/106388 Third Party Advisory VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0557 Patch Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published8 Jan 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-0557 · NVD
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