CVE-2025-53831
HighCVSS 8.2Exploitation Probability (EPSS)
Low risk6th percentile - higher than 6% of all known CVEs
Summary
In DrawIO for ownCloud prior to version 1.0.2 (corresponding to ownCloud 10 prior to 10.15.3), a stored XSS vulnerability was found. Attackers with access to the DrawIO app can inject malicious code due to improper input neutralization during page generation.
Risk Assessment
The risk involves execution of malicious scripts in the victim's browser, potentially leading to session theft, data leakage, or unauthorized actions within the user's context.
Recommendation
Immediately upgrade ownCloud 10 to version 10.15.3 or later, or upgrade DrawIO for ownCloud 10 to version 1.0.2 or later.
Original NVD description (English source)
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.

