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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, 2.2.2 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.

PUBLISHED Reserved 2025-10-07 | Published 2026-01-09 | Updated 2026-01-09 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-09-25:Discovered
2026-01-08:Disclosed

Credits

Powpy finder

References

www.wordfence.com/...-8cc7-4653-af3c-407b6f73fb7b?source=cve

plugins.trac.wordpress.org/...er-scripts/tags/2.2.2/shfs.php

cve.org (CVE-2025-11453)

nvd.nist.gov (CVE-2025-11453)

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