BM Content Builder vulnerability

What happened

The BM Content Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to 3.17.1 (exclusive) via the ux_cb_page_customize_save_layout_ajax() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

Affected versions

BM Content Builder: before 3.17.1 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.