Stored Cross-Site Scripting in Header Footer Script Adder Plugin for WordPress
CVE-2025-12109

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Header Footer Script Adder – Insert Code In Header, Body & Footer
Vendor
CVE Published:
13 December 2025

What is CVE-2025-12109?

The Header Footer Script Adder plugin for WordPress contains a vulnerability that allows attackers with Contributor-level access or higher to inject arbitrary scripts into web pages. This weakness stems from inadequate input sanitization and output escaping practices, which make it possible for malicious scripts to be executed whenever a user accesses the affected pages. Users of all versions up to and including 2.0.5 are potentially at risk.

Affected Version(s)

Header Footer Script Adder – Insert Code in Header, Body & Footer * <= 2.0.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Powpy
JSON
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CVE-2025-12109 : Stored Cross-Site Scripting in Header Footer Script Adder Plugin for WordPress