Medium severity · published Dec 13, 2025
CVE-2025-12109
Header Footer Script Adder – Insert Code in Header, Body & Footer <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
6.4
CVSS
0.2%
EPSS
No
On KEV
Description
The Header Footer Script Adder – Insert Code in Header, Body & Footer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the script adder present in posts in all versions up to, and including, 2.0.5 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HF
Header Footer Script Adder – Insert Code in Header, Body & Footer · mahethekiller
through 2.0.5 · source: vendor
Affected product
HF
Header Footer Script Adder – Insert Code in Header, Body & Footer
mahethekiller
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12109
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12109
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3388587%40header-and-footer-script-adder&new=3388587%40header-and-footer-script-adder&sfp_email=&sfph_mail=
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/cab034fd-4cf2-4253-bbcd-c8bb86325fa8?source=cve