CVE-2026-125745

MEDIUMCVSS 4.3/10

Last modified

CVE-2026-125745 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Custom Post Types and Custom Fields creator (WCK) before 2.4.1 contains a missing authorization vulnerability that allows authenticated attackers with access to any WCK meta box to read custom-field values on posts they cannot edit by exploiting the wck_show_update_form AJAX handler, which lacks the capability checks enforced by other handlers and relies on a shared, non-unique nonce action. Attackers can send a crafted admin-ajax.php request with a valid wck-edit-entry nonce, a target meta key, and an arbitrary post ID to disclose sensitive post-meta or option values belonging to other users, including private or draft post data..

Description

Custom Post Types and Custom Fields creator (WCK) before 2.4.1 contains a missing authorization vulnerability that allows authenticated attackers with access to any WCK meta box to read custom-field values on posts they cannot edit by exploiting the wck_show_update_form AJAX handler, which lacks the capability checks enforced by other handlers and relies on a shared, non-unique nonce action. Attackers can send a crafted admin-ajax.php request with a valid wck-edit-entry nonce, a target meta key, and an arbitrary post ID to disclose sensitive post-meta or option values belonging to other users, including private or draft post data.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
madalinungureanuCustom Post Types and Custom Fields creator – WCK< 2.4.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-125745?
Custom Post Types and Custom Fields creator (WCK) before 2.4.1 contains a missing authorization vulnerability that allows authenticated attackers with access to any WCK meta box to read custom-field values on posts they cannot edit by exploiting the wck_show_update_form AJAX handler, which lacks the capability checks enforced by other handlers and relies on a shared, non-unique nonce action. Attackers can send a crafted admin-ajax.php request with a valid wck-edit-entry nonce, a target meta key, and an arbitrary post ID to disclose sensitive post-meta or option values belonging to other users, including private or draft post data.
How severe is CVE-2026-125745?
CVE-2026-125745 has a CVSS score of 4.3/10 (MEDIUM severity).
How do I fix CVE-2026-125745?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST