CVE-2026-4261 Privilege escalation in Expire Users

High 8.8 Published Updated

Authenticated subscribers can escalate privileges to administrator by manipulating user profile fields in the Expire Users WordPress 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-2026-4261?

CVE-2026-4261 is a high-severity vulnerability in husobj Expire Users, published on 21 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Expire Users plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.2. This is due to the plugin allowing a user to update the 'on_expire_default_to_role' meta through the 'save_extra_user_profile_fields' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator.

Weakness: CWE-862

Which versions are affected by CVE-2026-4261?

How do I fix CVE-2026-4261?

No fix has been published for CVE-2026-4261 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-4261 being exploited?

There is no known exploitation of CVE-2026-4261 in the wild and no public exploit code.

Sources

Also known as GHSA-w7pq-j4cx-8r97.

Is CVE-2026-4261 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free