Flarum is open source discussion platform software. Prior to version 1.8.5, the Flarum `/logout` route includes a redirect parameter that allows any third party to redirect users from a (trusted) domain of the Flarum installation to redirect to any link. For logged-in users, the logout must be confirmed. Guests are immediately redirected. This could be used by spammers to redirect to a web address using a trusted domain of a running Flarum installation. The vulnerability has been fixed and published as flarum/core v1.8.5. As a workaround, some extensions modifying the logout route can remedy this issue if their implementation is safe.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2024-01-05T21:02:56.513Z

Updated: 2024-08-01T22:27:36.096Z

Reserved: 2023-12-29T03:00:44.957Z

Link: CVE-2024-21641

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2024-01-05T21:15:43.337

Modified: 2024-11-21T08:54:47.033

Link: CVE-2024-21641

cve-icon Redhat

No data.