CVE-2025-53828: CWE-918: Server-Side Request Forgery (SSRF) in owncloud SharePoint
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.
AI Analysis
Technical Summary
CVE-2025-53828 is a high-severity Server-Side Request Forgery (SSRF) vulnerability (CWE-918) in the SharePoint app for ownCloud Classic. It affects versions of the SharePoint app prior to 0.4.1, corresponding to ownCloud 10 versions before 10.15.3. An attacker with administrative privileges can exploit this SSRF vulnerability to execute arbitrary code on the affected system. The vulnerability is fixed in SharePoint for ownCloud 0.4.1 and ownCloud 10.15.3 and later.
Potential Impact
An attacker with administrative privileges can leverage the SSRF vulnerability to execute arbitrary code on the system, potentially leading to full compromise of the affected ownCloud server. This includes complete confidentiality, integrity, and availability impact as indicated by the CVSS vector (C:H/I:H/A:H).
Mitigation Recommendations
Upgrade ownCloud 10 to version 10.15.3 or later, which includes SharePoint for ownCloud 0.4.1, the fixed version that addresses this SSRF vulnerability. Patch status is not explicitly stated as 'official-fix' in the vendor advisory, but the upgrade to these versions is the recommended remediation.
CVE-2025-53828: CWE-918: Server-Side Request Forgery (SSRF) in owncloud SharePoint
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.
CVSS v3.1
Score 8.5high
Affected software
pkg:github/owncloud/SharePointRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-53828 is a high-severity Server-Side Request Forgery (SSRF) vulnerability (CWE-918) in the SharePoint app for ownCloud Classic. It affects versions of the SharePoint app prior to 0.4.1, corresponding to ownCloud 10 versions before 10.15.3. An attacker with administrative privileges can exploit this SSRF vulnerability to execute arbitrary code on the affected system. The vulnerability is fixed in SharePoint for ownCloud 0.4.1 and ownCloud 10.15.3 and later.
Potential Impact
An attacker with administrative privileges can leverage the SSRF vulnerability to execute arbitrary code on the system, potentially leading to full compromise of the affected ownCloud server. This includes complete confidentiality, integrity, and availability impact as indicated by the CVSS vector (C:H/I:H/A:H).
Mitigation Recommendations
Upgrade ownCloud 10 to version 10.15.3 or later, which includes SharePoint for ownCloud 0.4.1, the fixed version that addresses this SSRF vulnerability. Patch status is not explicitly stated as 'official-fix' in the vendor advisory, but the upgrade to these versions is the recommended remediation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2025-07-09T14:14:52.530Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4bcbb327e9c79719c0ceb6
Added to database: 07/06/2026, 15:37:23 UTC
Last enriched: 07/14/2026, 08:51:48 UTC
Last updated: 08/20/2026, 10:52:06 UTC
Views: 114
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