AddFunc Head & Footer Code
AddFunc Head & Footer Code has one disclosed vulnerability in the WordSec catalog, all reported in 2026; it is fixed as of August 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).
The one issue recorded for AddFunc Head & Footer Code has a vendor fix available, so running the current release closes it.
All of these findings were reported by Muhammad Yudha - DJ. AddFunc Head & Footer Code is installed on roughly 20,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.9.7.
CVE-2026-2305AddFunc Head & Footer Code <= 2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Fields
Read the full analysisVulnerability Records

AddFunc Head & Footer Code
Author
AddFunc
Allows administrators to add code to the <head> and/or footer of an individual post (or page or other content) and/or site-wide. Ideal for scripts such as Google Analytics conversion tracking code and any other general or page-specific JavaScript. A very simple, reliable and lightweight plugin.
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