CVE-2024-21641
CVSS 3.1 Score 7.5 of 10 (high)
Details
Summary
CVE-2024-21641 is a vulnerability that affects the Flarum open source discussion platform software prior to version 1.8.5. The vulnerability allows any third party to redirect users from a trusted domain of the Flarum installation to any link through the `/logout` route. While logged-in users need to confirm the logout, guests are immediately redirected. This vulnerability could be exploited by spammers to redirect users to malicious websites using a trusted domain of a running Flarum installation. The issue has been fixed in version 1.8.5 of flarum/core, and as a temporary solution, extensions modifying the logout route can address the issue if implemented safely. The vulnerability has a base severity rating of HIGH with an exploitability score of 3.9 out of 10, indicating its potential danger to organizations using affected Flarum installations.
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