It's possible to forge a request to delete a message.
The problem has been patched in version 2.0-rc-1 of Discussion Extension.
There's no easy workaround except upgrading.
https://jira.xwiki.org/browse/DISCUSSION-22
If you have any questions or comments about this advisory: * Open an issue in Jira XWiki * Email us at security mailing-list
{
"cwe_ids": [
"CWE-352"
],
"github_reviewed_at": "2026-07-27T17:04:00Z",
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": null
}