A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.
| Software | From | Fixed in |
|---|---|---|
| nextcloud / nextcloud_server | 20.0.0 | 20.0.2 |
| nextcloud / nextcloud_server | 19.0.0 | 19.0.5 |
| nextcloud / nextcloud_server | - | 18.0.11 |