Custom Post Type and Taxonomy GUI Manager <= 1.1 - Cross-Site Request Forgery to Cross-Site Scripting
The Custom Post Type and Taxonomy GUI Manager for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1. This is due to missing or incorrect nonce validation when saving settings. This makes it possible for unauthenticated attackers to invoke the vulnerable function via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. Sanitization and escaping of user input is insufficient resulting in Stored Cross-Site Scripting.
CVE-2023-0420 is a medium severity with CVSS 6.1 Stored Cross-Site Scripting issue affecting the Plugin Custom Post Type and Taxonomy GUI Manager. It affects Versions up to 1.1 and is listed without a confirmed patched release.
Review the full Custom Post Type and Taxonomy GUI Manager vulnerability cluster
Use the related hub and response guides to connect this CVE-2023-0420 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2023-0420 is tracked for the Plugin Custom Post Type and Taxonomy GUI Manager as medium severity with CVSS 6.1. The affected range is Versions up to 1.1. No fixed release is listed in this feed entry, so operators should monitor the vendor and reference links before accepting the risk.
Why this report is useful for search and triage
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
No patched version is listed, so the record is useful mainly for monitoring and risk acceptance decisions.
External references are available for source validation, advisory review, and incident notes.
How to validate this finding
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 1.1.
Monitor vendor advisories because this Stored Cross-Site Scripting issue has no fixed release listed here.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
custom-post-type-cpt-cusom-taxonomy-ct-manager
View on wordpress.org
|
| CVE | CVE-2023-0420 |
| Patched Versions |
No patched versions published.
|
| Affected Versions |
Versions up to 1.1
|
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