Total vulnerabilities in the database
Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present in versions prior to 19.0.13, 20.0.11, and 21.0.3. The Nextcloud Text application shipped with Nextcloud server used a text/html Content-Type when serving files to users. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, use a browser that has support for Content-Security-Policy.
| Software | From | Fixed in |
|---|---|---|
| nextcloud / nextcloud_server | 21.0.0 | 21.0.3 |
| nextcloud / nextcloud_server | 20.0.0 | 20.0.11 |
| nextcloud / nextcloud_server | - | 19.0.13 |