BM Content Builder <= 3.16.2.1 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting via ux_cb_page_options_save

6.4
Missing Authorization
CVE CVE-2025-1777
CVSS 6.4 (Medium)
Publicly Published June 5, 2025
Last Updated June 6, 2025
Researcher István Márton - Wordfence

Description

The BM Content Builder plugin for WordPress is vulnerable to unauthorized modification of data to a missing capability check on the 'ux_cb_page_options_save' function in all versions up to, and including, 3.16.2.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Vulnerability Details for BM Content Builder

Software Type Plugin
Software Slug bm-builder
Patched? Yes
Remediation Update to version 3.16.3, or a newer patched version
Affected Version
  • <= 3.16.2.1
Patched Version
  • 3.16.3

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