An attacker is able to log out a user if a logged-in user visits the attacker's website. While this cannot harm a user's account, it can be a great annoyance and is a valid CSRF.
{
    "nvd_published_at": "2021-12-07T11:15:00Z",
    "severity": "LOW",
    "github_reviewed_at": "2021-12-08T20:27:25Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-352"
    ]
}