Auth bypass in Trainingbusinesspros Formlift For Infusionsoft Web Forms
CVE-2026-4281
The FormLift for Infusionsoft Web Forms plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 7.5.21. This is due to missing capability checks on the connect() and listen_for_tokens() methods of…
Vulnerability class: Broken Access Control
EPSS: 0.001 (33.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/a65cc674-a0ea-46b9-b609-b184e…
- plugins.trac.wordpress.org/browser/formlift/trunk/modules/api/infusionsoft-mana…
- plugins.trac.wordpress.org/browser/formlift/tags/7.5.21/modules/api/infusionsof…
- plugins.trac.wordpress.org/browser/formlift/trunk/modules/api/infusionsoft-mana…
- plugins.trac.wordpress.org/browser/formlift/tags/7.5.21/modules/api/infusionsof…
- plugins.trac.wordpress.org/browser/formlift/trunk/modules/api/infusionsoft-mana…
- plugins.trac.wordpress.org/browser/formlift/tags/7.5.21/modules/api/infusionsof…
- plugins.trac.wordpress.org/browser/formlift/trunk/modules/api/infusionsoft-mana…
- plugins.trac.wordpress.org/browser/formlift/tags/7.5.21/modules/api/infusionsof…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-4281?
- CVE-2026-4281 is a medium-severity vulnerability in Trainingbusinesspros Formlift For Infusionsoft Web Forms, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-03-26.
- How severe is CVE-2026-4281?
- Medium severity. CVSS v3 base score is 5.3 out of 10.