CVE-2025-11453: Anand Kumar Header And Footer Scripts

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Header and Footer Scripts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the _inpost_head_script parameter in all versions up to, and including, 2.3.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Anand Kumar Header And Footer Scripts: up to and including 2.3.0

Published 2026-01-09. Last modified 2026-06-17.