Vulnerability in SharePoint environment

Krishna Sandeep Sangani 61 Reputation points

Hi Team,
We have vulnerability issues in SharePoint 2016 environment, all patches are up to date.
Here is one among them,

The session cookie used to identify authenticated users of the Web application does not contain the "HTTPOnly" attribute.

Cookies without the "HTTPOnly" attribute are permitted to be accessed via JavaScript. Cross-site scripting attacks can steal to session cookies which could lead to user impersonation or compromise of the application account.

Appreciate if any suggestions.

SharePoint Server
SharePoint Server
A family of Microsoft on-premises document management and storage systems.
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SharePoint Development
SharePoint Development
SharePoint: A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.Development: The process of researching, productizing, and refining new or existing technologies.
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  1. Tong Zhang_MSFT 9,141 Reputation points

    Hi @Krishna Sandeep Sangani ,

    According to my research, please try to set the "HttpOnly" attribute in session cookies. And here is a document for reference, please refer to it and fix:


    Hope it can help you. Thanks for your understanding.

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