CVE-2023-4963: Webshouters Ws Facebook Like Box Widget

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The WS Facebook Like Box Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'ws-facebook-likebox' shortcode in versions up to, and including, 5.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Webshouters Ws Facebook Like Box Widget: up to and including 5.0

Published 2023-09-15. Last modified 2026-06-17.