Cross-Site Scripting Vulnerability in Bold Page Builder Plugin by WordPress
CVE-2026-84021

Currently unrated

Key Information:

Vendor

WordPress
Status
Bold Page Builder
Vendor
CVE Published:
5 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-84021?

The Bold Page Builder plugin for WordPress, prior to version 5.9.8, contains a vulnerability that allows attackers to inject arbitrary web scripts. This occurs due to improper validation of link URLs, enabling users with roles as low as Contributor to execute malicious scripts when an affected link is clicked. This vulnerability could lead to harmful consequences for website users and requires timely updates to ensure security.

Affected Version(s)

Bold Page Builder 0 < 5.9.8

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.

CVE-2026-84021 - Proof of Concept

References

https://wpscan.com/vulnerability/ca226eab-59a2-42d5-96f6-...
exploitvdb-entrytechnical-description

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Md. Minaruzzaman Shovon
WPScan
.