Stored Cross-Site Scripting Vulnerability in Custom Post Type UI Plugin for WordPress
CVE-2025-14056

4.4MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
13 December 2025

What is CVE-2025-14056?

The Custom Post Type UI plugin for WordPress is susceptible to a Stored Cross-Site Scripting vulnerability due to inadequate input sanitization and output escaping in the 'label' parameter during custom post type imports. This flaw allows authenticated attackers with Administrator privileges to insert malicious scripts. These scripts can execute on the Tools → Get Code page, potentially compromising users that access this functionality. Users should ensure they are running the patched version of the plugin to mitigate the risk associated with this vulnerability.

Affected Version(s)

Custom Post Type UI * <= 1.18.1

References

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

M Indra Purnama
.