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CVE-2025-53828— SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

Quick assessment

Affected
owncloud SharePoint
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ownCloud SharePoint是德国ownCloud公司的一款企业文件同步与共享平台。 owncloud SharePoint 0.4.1之前版本存在服务端请求伪造漏洞，该漏洞源于服务端请求伪造（SSRF）问题，可能导致具有管理权限的攻击者执行任意代码。

CVSS 8.5 · High EPSS 0.39% · P31

Affected Version Matrix 2

VendorProduct Version RangeStatus
owncloud ownCloud 10 < 10.15.3 affected
owncloud SharePoint < 0.4.1 affected
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I. Basic Information for CVE-2025-53828

Vulnerability Information
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Vulnerability Title
SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
owncloud SharePoint 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ownCloud SharePoint是德国ownCloud公司的一款企业文件同步与共享平台。 owncloud SharePoint 0.4.1之前版本存在服务端请求伪造漏洞，该漏洞源于服务端请求伪造（SSRF）问题，可能导致具有管理权限的攻击者执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
owncloud SharePoint < 0.4.1 -
owncloud ownCloud 10 < 10.15.3 -

II. Public POCs for CVE-2025-53828

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 9264 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2025-53828

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Vendor Advisories for CVE-2025-53828 (1)

Same Patch Batch · owncloud · 2026-07-06 · 5 CVEs total

CVE-2025-53827 9.1 CRITICAL ownCloud Core: Updater has an exposed dangerous method or function
CVE-2025-53830 9.1 CRITICAL Anti-Virus for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)
CVE-2025-53831 8.2 HIGH DrawIO for ownCloud 10 is vulnerable to Stored XSS
CVE-2025-53829 8.0 HIGH ownCloud 10 is vulnerable to Relative Path Traversal

IV. Related Vulnerabilities

Same product: SharePoint
Same vendor: owncloud
Same weakness: CWE-918

V. Comments for CVE-2025-53828

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