Authentication Bypass Vulnerability in Ultimate Addons for Beaver Builder by WordPress
CVE-2019-25763

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
Ultimate Addons For Beaver Builder
Vendor
CVE Published:
20 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25763?

The Ultimate Addons for Beaver Builder version 1.2.4.1 is affected by an authentication bypass vulnerability that allows attackers to gain unauthorized access. This can be achieved through exploiting the social media login form functionality, specifically by sending a crafted POST request to the admin-ajax.php endpoint. By including the appropriate action parameter, a valid administrator email address, and a valid nonce, attackers can obtain session cookies to authenticate as the user, enabling them to perform unauthorized operations.

Affected Version(s)

Ultimate Addons for Beaver Builder 0 < 1.2.4.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25763 - Proof of Concept

References

https://www.exploit-db.com/exploits/47832
exploit
https://www.ultimatebeaver.com/
product
https://www.vulncheck.com/advisories/wordpress-ultimate-a...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.