AUGUST 25, 2026
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Case File

CVE-2025-53828

HIGH · CVSS 8.5 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-06 · Last synced 2026-08-05

CyberRota Analysis

AI-Generated

SharePoint for ownCloud versions prior to 0.4.1 are vulnerable to a Server-Side Request Forgery (SSRF) flaw that allows attackers with administrative privileges to execute arbitrary code on the system. This high-severity vulnerability (CVSS 8.5) poses significant risks to the integrity and confidentiality of affected systems. Organizations using SharePoint for ownCloud should prioritize upgrading to ownCloud 10 version 10.15.3 or later to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-53828
Severity
HIGH
CVSS
8.5
EPSS
0.23%
SharePoint

Original NVD Description

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use a SSRF vulnerability in the SharePoint app to execute arbitrary code on the system. Upgrade ownCloud 10 to version 10.15.3 or later to receive SharePoint for ownCloud 0.4.1, the fixed version.