CVE-2026-16290 ProfileGrid < 6.0.0.0 - Unauthenticated Group Member List Disclosure via pm_get_all_users_from_group
Unauthenticated attackers can view private group member lists in ProfileGrid WordPress plugin due to missing authorization checks.
- 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-2026-16290?
CVE-2026-16290 is a medium-severity missing authorization vulnerability in Unknown ProfileGrid, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ProfileGrid WordPress plugin before 6.0.0.0 does not perform authorization checks before returning a group's member list, and registers the handler for unauthenticated users, allowing any unauthenticated visitor to disclose the members and their identifiers of any group, including private or closed ones, bypassing the ProfileGrid WordPress plugin before 6.0.0.0's member-visibility setting.
Weakness: CWE-862
Which versions are affected by CVE-2026-16290?
How do I fix CVE-2026-16290?
No fix has been published for CVE-2026-16290 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-2026-16290 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16290 exists.
Sources
Also known as GHSA-9c4h-7vg9-5hh6.