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 SSRF vulnerability (CWE-918) in the SharePoint application for ownCloud Classic. Specifically, versions of the SharePoint app before 0.4.1, corresponding to ownCloud 10 versions prior to 10.15.3, are affected. An attacker with administrative privileges can exploit this SSRF flaw to execute arbitrary code on the system. The vulnerability is addressed by upgrading to SharePoint for ownCloud 0.4.1 or ownCloud 10.15.3 and later.
Potential Impact
Successful exploitation requires administrative privileges but can lead to arbitrary code execution, resulting in full compromise of the affected system. The CVSS 3.1 base score is 8.5, reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade ownCloud 10 to version 10.15.3 or later, which includes SharePoint for ownCloud 0.4.1 containing the fix for this SSRF vulnerability. No other mitigations are specified. Patch status is not explicitly stated but the fixed version is clearly identified.
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 SSRF vulnerability (CWE-918) in the SharePoint application for ownCloud Classic. Specifically, versions of the SharePoint app before 0.4.1, corresponding to ownCloud 10 versions prior to 10.15.3, are affected. An attacker with administrative privileges can exploit this SSRF flaw to execute arbitrary code on the system. The vulnerability is addressed by upgrading to SharePoint for ownCloud 0.4.1 or ownCloud 10.15.3 and later.
Potential Impact
Successful exploitation requires administrative privileges but can lead to arbitrary code execution, resulting in full compromise of the affected system. The CVSS 3.1 base score is 8.5, reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade ownCloud 10 to version 10.15.3 or later, which includes SharePoint for ownCloud 0.4.1 containing the fix for this SSRF vulnerability. No other mitigations are specified. Patch status is not explicitly stated but the fixed version is clearly identified.
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: 07/06/2026, 15:51:58 UTC
Last updated: 07/07/2026, 00:09:39 UTC
Views: 7
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