CVE-2025-53831 | DrawIO for ownCloud is an application for using DrawIO with … | CVSS 8.2 HIGH

Description

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.

Metadata

CVE ID: CVE-2025-53831
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2025-07-09 14:14 UTC
Published: 2026-07-06 16:23 UTC
Last updated: 2026-07-06 18:49 UTC
Primary CWE: CWE-79
CWE-79: Improper Neutralization of Input During Web Page Gen…
Vendor / Product: owncloud / DrawIO for ownCloud
Sources: cve.org · NVD

Severity & Metrics

8.2 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (2)

Vendor	Product	Platform	Versions
owncloud	DrawIO for ownCloud	—	< 1.0.2
owncloud	ownCloud 10	—	< 10.15.3

Weakness (CWE)

CWE	Source	Description
CWE-79	cna	CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.2	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L

References (1)

https://github.com/owncloud/security-advisories/security/advisories/GHSA-r9j8-fr2h-m47q https://github.com/owncloud/security-advisories/security/advisories/GHSA-r9j8-fr2h-m47q