Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of.
{ "nvd_published_at": "2024-02-29T11:15:08Z", "cwe_ids": [ "CWE-200" ], "severity": "LOW", "github_reviewed": true, "github_reviewed_at": "2024-02-29T22:49:30Z" }