PT-2026-63789 · Mahethekiller · Header Footer Script Adder

Wordfence Prism · CVE-2026-15394 · Published 2026-07-23 · Updated 2026-07-23

NVD

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-15394

Affected Products

Header Footer Script Adder

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-15394 · Security Note
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3611085%40header-and-footer-script-adder&new=3611085%40header-and-footer-script-adder · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/c394c9bc-21f6-45ea-8eda-8ee22a9b87ba?source=cve · Note
• https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-public.php#L253 · Note
• https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-public.php#L145 · Note
• https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-admin.php#L400 · Note