CVE-2023-48314: Collaboraoffice Collabora Online

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with Collabora Online Built-in CODE Server app can be vulnerable to attack via proxy.php. This vulnerability has been fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.403. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

Published 2023-12-01. Last modified 2026-06-17.