CVE-2019-15618

4.8 mediumEPSS 0.7%

Medium (4.8) in nextcloud nextcloud server. EPSS 0.7% chance of exploitation in the next 30 days.

Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.

Severity

4.8 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19