CVE-2026-16567 Document Embedder < 2.3.1 - Unauthenticated Private Document Download via Token Oracle

Medium 5.3 Published Updated

Unauthenticated attackers can download private or draft documents by enumerating IDs due to missing status checks in the Document Embedder plugin.

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-2026-16567?

CVE-2026-16567 is a medium-severity missing authorization vulnerability in Unknown Document Embedder, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Document Embedder WordPress plugin before 2.3.1 does not check a document's status before issuing a download token and streaming the file, allowing unauthenticated attackers to download arbitrary Document Embedder WordPress plugin before 2.3.1 documents, including private and draft ones, by enumerating IDs.

Weakness: CWE-639

Which versions are affected by CVE-2026-16567?

How do I fix CVE-2026-16567?

No fix has been published for CVE-2026-16567 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-2026-16567 being exploited?

There is no known exploitation of CVE-2026-16567 in the wild and no public exploit code.

Sources

Also known as GHSA-r4m2-c49p-wch4.

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