CVE-2026-11551 Auth bypass in Branda – White Label & Branding, Free Login Page Customizer

Critical 9.8 Published Updated

Unauthenticated attackers can change arbitrary user passwords, including administrators, to gain unauthorized access and escalate privileges.

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-2026-11551?

CVE-2026-11551 is a critical authentication bypass vulnerability in wpmudev Branda – White Label & Branding, Free Login Page Customizer, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Branda plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 3.4.29. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.

Weakness: CWE-640

Which versions are affected by CVE-2026-11551?

How do I fix CVE-2026-11551?

No fix has been published for CVE-2026-11551 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-2026-11551 being exploited?

There is no known exploitation of CVE-2026-11551 in the wild and no public exploit code.

Public exploit code: 3 proofs of concept on GitHub.

Sources

Also known as GHSA-r464-rgh8-qf85.

Is CVE-2026-11551 in your software?

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

Check your SBOMs for free