CVE-2025-53828
HighCVSS 8.5Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
In SharePoint for ownCloud prior to version 0.4.1 (corresponding to ownCloud 10 before 10.15.3), an SSRF vulnerability allows an attacker with administrative privileges to execute arbitrary code on the system.
Risk Assessment
An admin-level attacker can take over the ownCloud server, leading to full compromise of data and infrastructure.
Recommendation
Upgrade ownCloud 10 to version 10.15.3 or later, which includes SharePoint for ownCloud 0.4.1 with the fix.
Other vulnerabilities in ownCloud
See all- CVE-2023-49105CriticalActively exploited
In ownCloud core before version 10.13.1, an attacker can access, modify, or delete any file without authentication if the victim's username is known and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the file owner. The earliest affected version is 10.6.0.
- CVE-2025-53829High
In ownCloud 10 prior to version 10.15.3, a path traversal vulnerability allows an attacker with administrative privileges to execute arbitrary code. The issue is fixed in version 10.15.3.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS