CVE-2023-30540: Chat poll data can still be queried from API after purging history in Nextcloud talk
First published: Mon Apr 17 2023(Updated: )
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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud talk | >=15.0.0<15.0.5 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-30540?
The severity of CVE-2023-30540 is medium with a CVSS score of 4.3.
What is CVE-2023-30540?
CVE-2023-30540 is a vulnerability in Nextcloud Talk that allows a user to access deleted data in a conversation they were added later.
How can I fix CVE-2023-30540?
To fix CVE-2023-30540, you should update Nextcloud Talk to version 15.0.5 or later.
Where can I find more information about CVE-2023-30540?
You can find more information about CVE-2023-30540 in the following references: [link1], [link2], [link3].
What is the CWE of CVE-2023-30540?
The CWE of CVE-2023-30540 is CWE-200.
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- version/nextcloud talk/15.0.0