Authorization Bypass in Nimble Page Builder Plugin by WordPress
CVE-2026-16557

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
19 September 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-16557?

The Nimble Page Builder WordPress plugin, up to version 3.3.8, lacks an authorization check when returning content through an authenticated AJAX action. This oversight allows any authenticated user with a role of Subscriber or higher to access and disclose the content of non-public posts and pages, including drafts, pending, private, and scheduled items, potentially exposing sensitive data.

Affected Version(s)

Nimble Page Builder 0 <= 3.3.8

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.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ayush Gangwar
WPScan
.