---
id: CVE-2025-8427
title: >-
  The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable
  to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions
  up to, and including, 2.9.2.1 due to insufficient input sanitization and
  output e…
summary: >-
  The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable
  to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions
  up to, and including, 2.9.2.1 due to insufficient input sanitization and
  output e…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: fastlinemedia
product: beaver_builder
affected:
  - beaver_builder < 2.9.3.1
patched:
  - beaver_builder 2.9.3.1
published: '2025-10-23'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-8427'
references:
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/afec9b5b-da37-4e12-935e-9d3bb3ca01f0?source=cve
    label: security@wordfence.com
  - url: 'https://www.wpbeaverbuilder.com/change-logs/'
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00175
epssPercentile: 0.0642
ingestedAt: '2026-10-08T11:31:27.558Z'
---

## Overview

The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## Affected

- `beaver_builder < 2.9.3.1`

## Remediation

Upgrade past the affected range:

- `beaver_builder 2.9.3.1`