| Package | Affected versions | Patched versions |
|---|---|---|
| calendar | ≥ 4.0.0, < 4.7.17≥ 5.0.0, < 5.2.4 | 4.7.175.2.4 |
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This vulnerability is fixed in 4.7.17 and 5.2.4.
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