Medium severity · published Jul 27, 2026
CVE-2026-66474
WordPress Insert Headers and Footers Code – HT Script plugin <= 1.1.8 - Cross Site Request Forgery (CSRF) vulnerability
4.3
CVSS
0.1%
EPSS
No
On KEV
Description
Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IH
Insert Headers and Footers Code – HT Script · HT Plugins
through 1.1.8 · source: vendor
Affected product
IH
Insert Headers and Footers Code – HT Script
HT Plugins
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66474
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66474
patchstack.com
https://patchstack.com/database/wordpress/plugin/insert-headers-and-footers-script/vulnerability/wordpress-insert-headers-and-footers-code-ht-script-plugin-1-1-8-cross-site-request-forgery-csrf-vulnerability?_s_id=cve