CVE-2026-15394CWE-79

Header Footer Script Adder <= 2.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'asm_code' Snippet Meta

Medium · published July 23, 2026

CVSS v3.1
6.4
EPSS
0%
Percentile
25.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00331 · 25.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-23T09:33Z
EPSS history
Timeline
  • 23 JUL 09:33Z
    Header Footer Script Adder <= 2.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'asm_code' Snippet Meta
    cvelistv5