An issue was discovered in MantisBT before 2.24.4. Due to insufficient access-level checks, any logged-in user allowed to perform Group Actions can get access to the Summary fields of private Issues via bugarr[]= in a crafted bugactiongroup_page.php URL. (The target Issues can have Private view status, or belong to a private Project.)
{
"severity": "MODERATE",
"github_reviewed_at": "2025-05-30T14:03:02Z",
"cwe_ids": [
"CWE-863"
],
"nvd_published_at": "2021-01-29T07:15:00Z",
"github_reviewed": true
}