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

9.8
Improper Authentication
CVE CVE-2026-5722
CVSS 9.8 (Critical)
Publicly Published May 4, 2026
Last Updated May 29, 2026
Researcher Nguyen Ngoc Duc (duc193)

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.

Learn more about Authentication Bypass vulnerabilities and how to prevent them.

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Vulnerability Details for MoreConvert Pro

Software Type Plugin
Software Slug smart-wishlist-for-more-convert-premium
Patched? Yes
Remediation Update to version 1.9.15, or a newer patched version
Affected Version
  • <= 1.9.14
Patched Version
  • 1.9.15

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