Cross-Site Scripting in Microsoft Office SharePoint

Executive Summary

This vulnerability is a type of cross-site scripting (XSS) found in Microsoft Office SharePoint. It occurs because the software improperly neutralizes input during the generation of web pages. This flaw allows an authorized attacker to inject malicious scripts that can perform spoofing attacks over a network.

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Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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Impact Analysis

The vulnerability can lead to spoofing attacks, where an attacker impersonates a trusted entity or user. This can result in unauthorized actions or information disclosure. According to the CVSS score, the impact on confidentiality and integrity is high, meaning sensitive data could be exposed or altered, but it does not affect availability.

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Mitigation Strategies

To mitigate this vulnerability, it is important to apply the security updates provided by Microsoft for Office SharePoint as soon as they become available.

Since the vulnerability involves improper neutralization of input leading to cross-site scripting, ensure that input validation and sanitization mechanisms are properly implemented and enforced in your SharePoint environment.

Limit the privileges of users to reduce the risk of exploitation, as the attacker must be authorized to perform the attack.

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