---
id: CVE-2025-53831
title: >-
  DrawIO for ownCloud is an application for using DrawIO with the file storage,
  synchronization, and sharing application ownCloud Classic
summary: >-
  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.…
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L'
cwe:
  - CWE-79
published: '2026-07-06'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T19:10:00.160'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-53831'
references:
  - url: >-
      https://github.com/owncloud/security-advisories/security/advisories/GHSA-r9j8-fr2h-m47q
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00276
epssPercentile: 0.18031
ingestedAt: '2026-09-29T19:44:04.101Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.