Authenticated non‑admin users can call /api/setup/backup and trigger a configuration backup. The endpoint only checks authentication, not authorization, and returns a link to the generated ZIP.
SetupController.php uses userIsAuthenticated() but does not verify that the requester has configuration/admin permissions. This allows any logged‑in user to create a sensitive backup and retrieve its path.
Precondition: API enabled, any authenticated non‑admin user. - Log in as a non‑admin user. - Call backup endpoint.
curl -c /tmp/pmf_api_cookies.txt \
-H 'Content-Type: application/json' \
-d '{"username":"tester","password":"Test1234!"}' \
http://192.168.40.16/phpmyfaq/api/v3.0/login
curl -i -b /tmp/pmf_api_cookies.txt \
-X POST --data '4.0.16' \
http://192.168.40.16/phpmyfaq/api/setup/backup
Low‑privileged users can generate sensitive backups. If the ZIP is web‑accessible (server misconfiguration), this can lead to secret exposure.
{
"nvd_published_at": "2026-01-24T02:15:49Z",
"cwe_ids": [
"CWE-285",
"CWE-862"
],
"github_reviewed_at": "2026-01-23T20:17:25Z",
"github_reviewed": true,
"severity": "MODERATE"
}