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PatchSiren cyber security CVE debrief

CVE-2026-66474 HT Plugins CVE debrief

A vulnerability was found in Insert Headers and Footers Code – HT Script plugin for WordPress. This issue is classified as a Cross Site Request Forgery (CSRF) problem. The vulnerability affects an unknown functionality of the component. The weakness was presented on 2026-07-27. The plugin does not properly validate requests, allowing an attacker to perform Cross Site Request Forgery (CSRF) attacks. This could potentially allow an attacker to perform unauthorized actions on the affected system. Users should review their installations and ensure they are using version 1.1.9 or later. The CVE record was published on 2026-07-27T15:17:11.833Z and has not been modified since then. The NVD entry is currently Deferred.

Vendor
HT Plugins
Product
Insert Headers and Footers Code – HT Script
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-27
Original CVE updated
2026-07-27
Advisory published
2026-07-27
Advisory updated
2026-07-27

Who should care

Users of Insert Headers and Footers Code – HT Script plugin for WordPress should be aware of this vulnerability, especially if they are using version 1.1.8 or earlier.

Technical summary

The specific flaw exists within the Insert Headers and Footers Code – HT Script plugin for WordPress. The issue is that the plugin does not properly validate requests, allowing an attacker to perform Cross Site Request Forgery (CSRF) attacks. This could potentially allow an attacker to perform unauthorized actions on the affected system.

Defensive priority

Medium priority due to the CVSS score of 4.3 and the potential for unauthorized actions.

Recommended defensive actions

  • Apply the latest patch or update for the Insert Headers and Footers Code – HT Script plugin to version 1.1.9 or later.
  • Implement additional security measures such as validating and sanitizing user input, and ensuring that requests are properly authenticated.
  • Monitor for suspicious activity and implement logging and auditing to detect potential attacks.

Evidence notes

The CVE record was published on 2026-07-27T15:17:11.833Z and was last modified on 2026-07-27T19:17:23.240Z. The NVD entry is currently Deferred. The vulnerability has a CVSS score of 4.3 and is classified as MEDIUM severity. There are no known ransomware campaigns using this vulnerability. The Insert Headers and Footers Code – HT Script plugin for WordPress is affected by this vulnerability, especially version 1.1.8 or earlier. Defenders should verify their installations and ensure they are using version 1.1.9 or later.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-27T15:17:11.833Z and has not been modified since then. The NVD entry is currently Deferred.