Auth bypass in Download Monitor

CVE-2026-16608

The Download Monitor WordPress plugin before 5.2.6 does not perform authorization checks on one of its download-logging AJAX actions, and exposes the nonce protecting it to unauthenticated visitors, allowing unauthenticated users to inject arbitrary download log entries and inflate a site's download statistics.

Vulnerability class: Broken Access Control

EPSS: 0.002 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Unknown Download Monitor — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16608?
CVE-2026-16608 is a medium-severity vulnerability in Download Monitor, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-08.
How severe is CVE-2026-16608?
Medium severity. CVSS v3 base score is 5.3 out of 10.