CVE-2026-18960 Block User Account < 2.0.1 - Subscriber+ Account Block Bypass via Application Passwords

Medium 5.4 Published Updated

Blocked users retain REST API access via application passwords, bypassing account restrictions in the Block User Account 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-2026-18960?

CVE-2026-18960 is a medium-severity authentication bypass vulnerability in Unknown Block User Account, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Block User Account WordPress plugin before 2.0.1 does not enforce its account block on every authentication path, allowing a blocked user who holds an application password created before the block to retain their full role-level read and write access through the REST API.

Weakness: CWE-287

Which versions are affected by CVE-2026-18960?

How do I fix CVE-2026-18960?

No fix has been published for CVE-2026-18960 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-18960 being exploited?

There is no known exploitation of CVE-2026-18960 in the wild and no public exploit code.

Sources

Also known as GHSA-c64r-rhpr-pqr5.

Is CVE-2026-18960 in your software?

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