Medium severity6.4NVD Advisory· Published Jan 9, 2026· Updated Apr 15, 2026

CVE-2025-11453

Description

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

WordPress/Header And Footer Scriptsllm-fuzzy
Range: <=2.3.0
Package: https://wordpress.org/plugins/header-and-footer-scripts

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

plugins.trac.wordpress.org/browser/header-and-footer-scripts/tags/2.2.2/shfs.phpnvd
plugins.trac.wordpress.org/changesetnvd
plugins.trac.wordpress.org/changesetnvd
www.wordfence.com/threat-intel/vulnerabilities/id/d658e087-8cc7-4653-af3c-407b6f73fb7bnvd

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000