CVE-2023-2436: Blog-In-Blog Project Blog-In-Blog

Medium severity, CVSS 4.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Blog-in-Blog plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'blog_in_blog' shortcode in versions up to, and including, 2.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with editor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Blog-In-Blog Project Blog-In-Blog: up to and including 1.1.1

Published 2023-05-31. Last modified 2026-06-17.