Medium (5.4). EPSS 1.4% chance of exploitation in the next 30 days.
Cross-site scripting (XSS) vulnerability in share.js in the gallery application in ownCloud Server before 9.0.4 and Nextcloud Server before 9.0.52 allows remote authenticated users to inject arbitrary web script or HTML via a crafted directory name.
Severity
CVSS 3.0
5.4 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-11-01)