The notification/messaging feature of Silverpeas Core 6.3.1 does not enforce access control on the ID parameter. This allows an attacker to read all messages sent between other users; including those sent only to administrators.
{
"nvd_published_at": "2023-12-13T14:15:44Z",
"cwe_ids": [],
"severity": "HIGH",
"github_reviewed": true,
"github_reviewed_at": "2023-12-13T19:27:34Z"
}