CVE-2026-17604

Medium

Description

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.1.1 via the 'data' parameter parameter. This makes it possible for authenticated attackers, with editor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The intended strpos()-based guard against leaving the uploads directory is bypassed by crafting a URL that includes the uploads base path as a substring while embedding directory traversal sequences, such as /wp-content/uploads/../../wp-config.php.

SeverityMedium
CVSS4.9
Exploit probability—
ProductKirki – Freeform Page Builder, Website Builder & Customizer
PublishedAug 16, 2026
First seenAug 16, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
themeum Kirki – Freeform Page Builder, Website Builder & Customizerv ≤ 6.1.1—

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