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Vulnerability record · CVE-2026-5722 · published 5 May 2026

CVE-2026-5722: Improper authentication vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.83% · top 44.3% CWE-287 · Improper authentication Deferred
9.8CVSS 3.1 base score
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://moreconvert.com/changelog/
https://wordpress.org/plugins/smart-wishlist-for-more-convert/
https://www.wordfence.com/threat-intel/vulnerabilities/id/fe887475-f7e8-4fda-a793-bc6f37b70f3e?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-5722), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.