CVE-2026-107762 (CVSS 7.5)

Description

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.3.2 via the 'context' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to expose arbitrary users' sensitive profile data — including email address, display name, nicename, registration date, profile image URL, and any string-valued user meta fields such as first name, last name, nickname, description, and custom meta keys — via the REST response. Exploitation requires a published page that uses a Kirki template containing at least one user-type dynamic content block; target user IDs are enumerable via standard WordPress REST endpoints, making the only prerequisite the presence of such a template on the site.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0040

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

https://plugins.trac.wordpress.org/browser/kirki/tags/6.3.2/includes/API/Frontend/Controllers/CollectionController.php#L179 https://plugins.trac.wordpress.org/browser/kirki/tags/6.3.2/includes/API/Frontend/Controllers/FrontendRESTController.php#L64 https://plugins.trac.wordpress.org/browser/kirki/tags/6.3.2/includes/Frontend/Preview/Utils.php#L466 https://plugins.trac.wordpress.org/browser/kirki/tags/6.3.2/includes/HelperFunctions.php#L1152 https://plugins.trac.wordpress.org/changeset/3743904/kirki/trunk/includes/API/Frontend/Controllers/CollectionController.php https://www.wordfence.com/threat-intel/vulnerabilities/id/1f2fd69f-d432-4eb2-9d28-cfd7dd100e82?source=cve

Frequently Asked Questions

What is CVE-2026-107762? +

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.3.2 via the 'context' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to expose arbitrary users' sensitive profile data — including email address, display name, nicename, registration date, profile image URL, and any string-valued user meta fields such as first name, last name, nickname, description, and custom meta keys — via the REST response. Exploitation requires a published page that uses a Kirki template containing at least one user-type dynamic content block; target user IDs are enumerable via standard WordPress REST endpoints, making the only prerequisite the presence of such a template on the site. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-107762? +

CVE-2026-107762 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0040, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-107762? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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