Cross-site scripting via unsanitized web request
Published Jun 9, 2020 · Updated Feb 28, 2025
Cross-site scripting in Microsoft SharePoint products allows remote authenticated users to run script in another user's browser via a crafted request. Microsoft has not published the affected request handler or exact sanitization failure; the record states only that SharePoint improperly sanitizes the request. Exploitation requires authenticated access and victim interaction, enabling script execution in the victim's SharePoint context and limited data access or modification.
Summary
What happened
Cross-site scripting in Microsoft SharePoint products allows remote authenticated users to run script in another user's browser via a crafted request. Microsoft has not published the affected request handler or exact sanitization failure; the record states only that SharePoint improperly sanitizes the request. Exploitation requires authenticated access and victim interaction, enabling script execution in the victim's SharePoint context and limited data access or modification.
The record
- CVE
- CVE-2020-1318
- Published
- Jun 9, 2020
- Updated
- Feb 28, 2025
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Server
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 9, 2020CVE publishedPublication date reported by the CVE source.
- Feb 28, 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=2019
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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