Arbitrary file upload in Personal Qr Message

CVE-2026-16250

The Personal QR Message WordPress plugin through 1.0 does not restrict the file types that can be uploaded through an unauthenticated handler, allowing unauthenticated users to upload arbitrary executable PHP files that are directly reachable, leading to remote code execution.

Vulnerability class: Unrestricted File Upload

EPSS: 0.005 (41.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Personal Qr Message — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16250?
CVE-2026-16250 is a critical-severity vulnerability in Personal Qr Message, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-08-03.
How severe is CVE-2026-16250?
Critical severity. CVSS v3 base score is 9.8 out of 10.