XSS in Webdevstudios Custom Post Type Ui

CVE-2025-14056

The Custom Post Type UI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'label' parameter during custom post type import in all versions up to, and including, 1.18.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses the Tools → Get Code page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14056?
CVE-2025-14056 is a medium-severity vulnerability in Webdevstudios Custom Post Type Ui, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2025-12-13.
How severe is CVE-2025-14056?
Medium severity. CVSS v3 base score is 4.4 out of 10.