CVE-2026-66629

The Kirki WordPress plugin before version 6.0.12 does not validate a user-supplied URL before requesting it server-side, allowing unauthenticated attackers to make the site issue HTTP requests to arbitrary hosts (Server-Side Request Forgery).

The Kirki plugin for WordPress contains a Blind SQL Injection vulnerability in versions up to and including 6.0.12. The issue is due to improper neutralization of special elements used in SQL commands.

The Kirki WordPress plugin contains a deserialization of untrusted data vulnerability allowing object injection. This affects versions up to and including 6.0.12.

The Kirki plugin for WordPress before 6.2.5 contains a reCAPTCHA bypass vulnerability. Unauthenticated attackers can submit frontend forms without valid verification by omitting the g-recaptcha-token field in POST requests, because the verify() method returns early on empty token values.

The Kirki WordPress plugin in versions up to 6.4.0 contains an Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability that allows code injection. The issue affects versions from n/a through 6.4.0.

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress in versions up to and including 6.3.2 is vulnerable to Insecure Direct Object Reference via the 'context' parameter due to missing validation on a user-controlled key. This allows unauthenticated attackers to expose arbitrary users' sensitive profile data, including email address, display name, registration date, profile image URL, and user meta fields.

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress in versions up to and including 6.3.2 is vulnerable to PHP Object Injection via deserialization of untrusted input. This allows authenticated attackers with administrator-level access and above to inject a PHP Object; by default, Editor-level users are granted FULL_ACCESS to the plugin's import endpoint.

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Page Builder Text Content in all versions up to, and including, 6.2.0 due to insufficient input sanitization and output escaping.

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to and including 6.3.1. This is due to the plugin substituting a user's display_name into the composed page markup unfiltered and then running the whole result through do_shortcode().

Improper validation of specified quantity in input in Kirki up to version 6.3.1. Allows accessing functionality not properly constrained by ACLs.