Calendar app used predictable proposal participant tokens

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Calendar attachments of local files are offered to downloaded

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PT-2023-6404 · Nextcloud +1 · Nextcloud Calendar +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Calendar app versions prior to 4.4.4 Description: The issue is related to missing precondition checks in the Nextcloud calendar app, which causes the server to attempt validation of strings of any length as email addresses. This can...