HT Script permits cross-site request forgery against an undisclosed operation
Insert Headers and Footers Code – HT Script through 1.1.8 does not adequately verify that an undisclosed state-changing request was intentionally made by the logged-in victim. An unauthenticated attacker can cause a privileged user's browser to submit that request. The Patchstack CNA record does not disclose the endpoint, action, nonce failure, parameters or resulting state change.
- Component
- Insert Headers and Footers Code – HT Script
- Plugin slug
insert-headers-and-footers-script- Affected
- n/a through 1.1.8
- Safe version
- See mitigation notes
- Published
- Jul 27, 2026
This CVE was published Jul 27, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
No fixed release is identified in the authoritative record. Disable HT Script until a release newer than 1.1.8 is confirmed to fix CVE-2026-66474, and instruct administrators not to follow untrusted links while authenticated.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N