CVE-2026-5722 MoreConvert Pro <= 1.9.14 - Authentication Bypass via Waitlist Guest Verification Token Reuse

Critical 9.8 Published Updated

Unauthenticated attackers can bypass authentication and take over accounts, including administrators, by reusing guest verification tokens in the MoreConvert Pro plugin.

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-2026-5722?

CVE-2026-5722 is a critical authentication bypass vulnerability in MoreConvert Pro, published on 5 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MoreConvert Pro plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.9.14. This is due to the guest waitlist verification flow not invalidating or regenerating verification tokens when the customer email address is changed. This makes it possible for unauthenticated attackers to authenticate as existing users, including administrators, by obtaining a valid guest verification token for an attacker-controlled email, changing the same guest customer email to the target account email through the public waitlist flow, and then using the original verification link.

Weakness: CWE-287

Which versions are affected by CVE-2026-5722?

How do I fix CVE-2026-5722?

No fix has been published for CVE-2026-5722 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-2026-5722 being exploited?

There is no known exploitation of CVE-2026-5722 in the wild and no public exploit code.

Sources

Also known as GHSA-m5qv-996f-g5rh.

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