CVE-2026-16608 Download Monitor < 5.2.6 - Unauthenticated Download Log Injection

Medium 5.3 Published Updated

Unauthenticated attackers can inject arbitrary download log entries into the Download Monitor WordPress plugin, inflating site statistics.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-16608?

CVE-2026-16608 is a medium-severity missing authorization vulnerability in Unknown Download Monitor, published on 8 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-16608?

How do I fix CVE-2026-16608?

No fix has been published for CVE-2026-16608 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16608 being exploited?

There is no known exploitation of CVE-2026-16608 in the wild and no public exploit code.

Sources

Also known as GHSA-25m3-39mc-92qp.

Is CVE-2026-16608 in your software?

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