Vulnerability Intelligence Report
DrawIO for ownCloud 10 is vulnerable to Stored XSS
CVE-2025-53831
DrawIO for ownCloud is an application for using DrawIO with the file storage, synchronization, and sharing application ownCloud Classic. In DrawIO for ownCloud prior to version 1.0.2, which corresponds to ownCloud 10 prior to version 10.15.3, attackers with access to the DrawIO app can leverage improper neutralization of input during web page generation to achieve stored XSS. Upgrade ownCloud 10 to version 10.15.3 or later or upgrade DrawIO for ownCloud 10 to version 1.0.2 or later to receive a patch.
Cross-Site Scripting (XSS)
No Active Exploit Signals
CVSS Base Score
8.2
HIGH
Exploitability:2.3
Impact Score:5.3
EPSS Probability:0.16%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| owncloud | DrawIO for ownCloud | < 1.0.2 (affected) |
| owncloud | ownCloud 10 | < 10.15.3 (affected) |
Threat Intelligence Signals
EPSS Score
0.164%
Vulnerability Class
Cross-Site Scripting (XSS)
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2025-07-09T14:14:52 |
| Published | 2026-07-06T16:23:35 |
| Last Updated | 2026-07-06T18:49:06 |
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