---
id: CVE-2026-84021
title: >-
  The Bold Page Builder WordPress plugin before 5.9.8 does not properly validate
  a link URL before outputting it in an HTML attribute, relying on a filter that
  can be evaded, allowing users with the Contributor role and above to inject
  arb…
summary: >-
  The Bold Page Builder WordPress plugin before 5.9.8 does not properly validate
  a link URL before outputting it in an HTML attribute, relying on a filter that
  can be evaded, allowing users with the Contributor role and above to inject
  arb…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
published: '2026-09-05'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:09:21.310'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84021'
references:
  - url: 'https://wpscan.com/vulnerability/ca226eab-59a2-42d5-96f6-84dacf7c6c5a/'
    label: contact@wpscan.com
tags:
  - nvd
epss: 0.00431
epssPercentile: 0.34709
ingestedAt: '2026-09-06T05:50:39.476Z'
---

## Overview

The Bold Page Builder WordPress plugin before 5.9.8 does not properly validate a link URL before outputting it in an HTML attribute, relying on a filter that can be evaded, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when a user clicks the affected link.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.