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How CVE-2025-49704 Works
CVE-2025-49704 is an improper code injection vulnerability in Microsoft Office SharePoint that allows an authenticated attacker to execute arbitrary code remotely. The flaw occurs due to insufficient validation of user-supplied input in SharePoint’s document processing feature. An attacker can craft a malicious payload embedded within a document or web request, which, when processed by SharePoint, bypasses security checks and triggers unintended code execution. This vulnerability is exploitable over a network without requiring elevated privileges, making it critical for organizations using SharePoint for collaboration.
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Platform: Microsoft SharePoint
Version: Not specified
Vulnerability: Code Injection
Severity: Critical
Date: 07/08/2025
Prediction: Patch by 08/15/2025
What Undercode Say
Analytics:
nmap -p 80,443 --script http-sharepoint-vuln <target_IP>
Test-SPOSharePointVulnerability -CVE CVE-2025-49704
How Exploit:
POST /_api/web/GetFolderByServerRelativeUrl('/malicious') HTTP/1.1
Host: <target_sharepoint>
Payload: {malicious_script}
Protection from this CVE:
- Apply Microsoft’s security update once released.
- Disable unnecessary SharePoint features.
- Implement strict input validation.
Impact:
- Remote code execution (RCE).
- Unauthorized system access.
- Data compromise.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
