CVE-2023-30540 Information

Description

Nextcloud Talk is a chat video & audio call extension for Nextcloud. In affected versions a user that was added later to a conversation can use this information to get access to data that was deleted before they were added to the conversation. This issue has been patched in version 15.0.5 and it is recommended that users upgrad to 15.0.5. There are no known workarounds for this issue.

Reference

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c9hr-cq65-9mjw https://github.com/nextcloud/spreed/pull/8985 https://hackerone.com/reports/1894676