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",
"severity": "LOW",
"github_reviewed_at": "2024-02-29T22:49:30Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-200"
]
}