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

2025-06-05 00:00

István Márton

Strategic Overview

Status

Patched in 3.16.3

Affected PluginBM Content Builder

Affected Version<= 3.16.2.1

CVSS6.4Medium

CVECVE-2025-1777

View all BM Content Builder vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 3.16.3, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-1777 https://www.wordfence.com/threat-intel/vulnerabilities/id/fb3e0251-c3b7-4360-87f3-7e4612d4f285

CVSS Vector

6.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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