Microsoft · Sharepoint Server · CVE-2020-0933
**Name of the Vulnerable Software and Affected Versions**
SharePoint Server (affected versions not specified)
SharePoint Foundation (affected versions not specified)
SharePoint Enterprise Server (affected versions not specified)
**Description**
The issue is related to the failure to protect the web page structure, which could allow a remote attacker to perform cross-site scripting attacks using a specially crafted request. An information disclosure vulnerability exists, enabling an attacker to read arbitrary files on the server by sending a specially crafted request to a susceptible SharePoint Server instance.
**Recommendations**
For SharePoint Server, consider restricting access to sensitive files and directories until a fix is available.
For SharePoint Foundation, restrict access to vulnerable API endpoints, such as `/api/v1/files`, to minimize the risk of exploitation.
For SharePoint Enterprise Server, as a temporary workaround, consider disabling the `fileReader` function until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.