CVE-2023-30540 LOW

CVE-2023-30540: Chat poll data can still be queried from API after purging history in Nextcloud talk

Vendor Nextcloud
Product security-advisories
Weakness CWE-200 · Info exposure
Published April 17, 2023
Last update March 3, 2025

CVSS base score

3.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 17, 2023 CVE published
March 3, 2025 Record updated