CVE-2026-18943 WPC Admin Columns < 2.3.4 - Subscriber+ Arbitrary User/Post/Term Meta Disclosure
Subscribers can read arbitrary user, post, and term metadata due to missing authorization checks in an AJAX action.
- 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-2026-18943?
CVE-2026-18943 is a medium-severity missing authorization vulnerability in Unknown WPC Admin Columns, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WPC Admin Columns WordPress plugin before 2.3.4 does not have authorisation checks in one of its AJAX actions, allowing users with a role as low as subscriber to read arbitrary user, post and term metadata, including data belonging to administrators.
Weakness: CWE-200
Which versions are affected by CVE-2026-18943?
How do I fix CVE-2026-18943?
No fix has been published for CVE-2026-18943 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-2026-18943 being exploited?
There is no known exploitation of CVE-2026-18943 in the wild and no public exploit code.
Sources
Also known as GHSA-g4v7-86p8-gx99.