CVE-2020-36747: Brainstormforce Lightweight Sidebar Manager

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

The Lightweight Sidebar Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.4. This is due to missing or incorrect nonce validation on the metabox_save() function. This makes it possible for unauthenticated attackers to save metbox data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• Brainstormforce Lightweight Sidebar Manager: up to and including 1.1.5

Published 2023-07-01. Last modified 2026-06-17.