CVE-2026-15394
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-admin.php#L400
- https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-public.php#L145
- https://plugins.trac.wordpress.org/browser/header-and-footer-script-adder/tags/2.1/pro/class-pro-public.php#L253
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3611085%40header-and-footer-script-adder&new=3611085%40header-and-footer-script-adder
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c394c9bc-21f6-45ea-8eda-8ee22a9b87ba?source=cve
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.