CVE-2026-14183 Classified Listing < 5.3.9 - Subscriber+ Payment Receipt Disclosure via IDOR

Medium 4.3 Published Updated

Authenticated subscribers can read other users' payment receipt details due to missing ownership verification in the Classified Listing plugin.

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

What is CVE-2026-14183?

CVE-2026-14183 is a medium-severity missing authorization vulnerability in Unknown Classified Listing, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Classified Listing WordPress plugin before 5.3.9 does not verify that the order targeted by its payment-receipt handler belongs to the requesting user, allowing authenticated users with subscriber-level access to read the payment receipt details of any other user's order.

Weakness: CWE-639

Which versions are affected by CVE-2026-14183?

How do I fix CVE-2026-14183?

No fix has been published for CVE-2026-14183 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-2026-14183 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14183 exists.

Sources

Also known as GHSA-6phg-rm29-h3wq.

Is CVE-2026-14183 in your software?

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