Description
mod/forum/post.php in Moodle 2.9.x before 2.9.1 does not consider the mod/forum:canposttomygroups capability before authorizing "Post a copy to all groups" actions, which allows remote authenticated users to bypass intended access restrictions by leveraging per-group authorization.
Remediation
References
Related Vulnerabilities
Grafana Improper Authentication Vulnerability (CVE-2022-39229)
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