Authenticated browser script execution via unsanitized request
Published Jun 12, 2019 · Updated May 20, 2025
Cross-site scripting in Microsoft SharePoint 2016 and 2019 allows remote authenticated users to run script via a crafted web request. Microsoft has not published the affected request handler or parameter; the disclosed mechanism is improper sanitization of an attacker-crafted web request. A victim must interact with the request, after which the script runs in that user's browser context and can read unauthorized content or perform SharePoint actions as that user.
Summary
What happened
Cross-site scripting in Microsoft SharePoint 2016 and 2019 allows remote authenticated users to run script via a crafted web request. Microsoft has not published the affected request handler or parameter; the disclosed mechanism is improper sanitization of an attacker-crafted web request. A victim must interact with the request, after which the script runs in that user's browser context and can read unauthorized content or perform SharePoint actions as that user.
The record
- CVE
- CVE-2019-1032
- Published
- Jun 12, 2019
- Updated
- May 20, 2025
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Enterprise Server 2016
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 12, 2019CVE publishedPublication date reported by the CVE source.
- May 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=16.0.0 <publication
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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