PatchSiren cyber security CVE debrief
CVE-2019-25763 Ultimatebeaver CVE debrief
CVE-2019-25763 is a critical authentication bypass vulnerability in WordPress Ultimate Addons for Beaver Builder 1.2.4.1. Attackers can exploit the social media login form functionality to gain unauthorized access. The vulnerability allows attackers to 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. This issue has a CVSS score of 9.3 and is considered critical. Defenders should prioritize patching or mitigating this vulnerability to prevent unauthorized access.
- Vendor
- Ultimatebeaver
- Product
- Ultimate Addons for Beaver Builder
- CVSS
- CRITICAL 9.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-20
- Original CVE updated
- 2026-06-22
- Advisory published
- 2026-06-20
- Advisory updated
- 2026-06-22
Who should care
Defenders responsible for WordPress installations with the Ultimate Addons for Beaver Builder plugin, especially those using version 1.2.4.1, should be aware of this critical vulnerability. Security teams and administrators of WordPress environments should assess their exposure and take necessary actions to protect their sites.
Technical summary
The CVE-2019-25763 vulnerability in WordPress Ultimate Addons for Beaver Builder 1.2.4.1 allows attackers to bypass authentication by exploiting the social media login form functionality. A POST request to the admin-ajax.php endpoint with specific parameters can be used to obtain session cookies and authenticate as an administrator. This issue is critical, with a CVSS score of 9.3, indicating a high severity level.
Defensive priority
High priority due to critical CVSS score and potential for unauthorized access
Recommended defensive actions
- Apply the latest patch or update for Ultimate Addons for Beaver Builder to version 1.2.4.2 or later
- Review and restrict access to the admin-ajax.php endpoint
- Monitor for suspicious activity related to authentication attempts
- Implement additional security measures such as two-factor authentication
- Inventory WordPress installations and plugins to identify potential exposure
Evidence notes
The CVE-2019-25763 vulnerability is documented in the NVD database and has a CVSS score of 9.3. The vulnerability allows attackers to bypass authentication in WordPress Ultimate Addons for Beaver Builder 1.2.4.1. Defenders should verify the version of the plugin in use and check for any available patches or updates.
Official resources
This article is AI-assisted and based on the supplied source corpus.