Ultimate Addons for Beaver Builder vulnerability

WordPress Ultimate Addons for Beaver Builder 1.2.4.1 contains an authentication bypass vulnerability that allows attackers to gain unauthorized access by exploiting the social media login form functionality. Attackers can submit a POST request to the admin-ajax.php endpoint with the uabb-lf-google-submit action, a valid administrator email address, and a valid nonce to obtain session cookies and authenticate as that user.

Published 20 Jun 2026Updated 29 Sep 20263 sources
CVSS 9.3

What happened

WordPress Ultimate Addons for Beaver Builder 1.2.4.1 contains an authentication bypass vulnerability that allows attackers to gain unauthorized access by exploiting the social media login form functionality. Attackers can submit a POST request to the admin-ajax.php endpoint with the uabb-lf-google-submit action, a valid administrator email address, and a valid nonce to obtain session cookies and authenticate as that user.

Affected versions

Ultimate Addons for Beaver Builder: 0 through 1.2.4.1 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.