An input validation issue allowed members to delete comment likes / dislikes that they were not authorized to delete.
This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.
v6.44.1 contains a fix for this issue.
For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.
If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.
Ghost thanks Adel Assakaf and Arthur Gurunlian as well as Geoffrey Diederichs of Escape for disclosing this vulnerability responsibly.
If you have any questions or comments about this advisory, email us at security@ghost.org.
{
"cwe_ids": [
"CWE-943"
],
"github_reviewed": true,
"github_reviewed_at": "2026-10-27T14:44:19Z",
"nvd_published_at": null,
"severity": "MODERATE"
}