Is CVE-2026-15394 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15394?

CVE-2026-15394 has a CVSS v3 severity of MEDIUM (6.4).

Back

CVE-2026-15394

Description

The Header Footer Script Adder – Insert Code in Header, Body & Footer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'asm_code' Snippet Meta in all versions up to, and including, 2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.