Threat intelligence

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

CVE-2026-15394 · header-and-footer-script-adder

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Header And Footer Script Adder at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Header Footer Script Adder <= 2.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'asm_code' Snippet Meta
Affected software: header-and-footer-script-adder(Plugin)
Affected versions: ≤ 2.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15394
Published: 22 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory c394c9bc-21f6-45ea-8eda-8ee22a9b87ba). Methodology and redistribution notes

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