CVE-2023-1623: Custom Post Type UI < 1.13.5 - Debug Info Sending via CSRF

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-04-24 · updated 2026-06-17

Description

The Custom Post Type UI WordPress plugin before 1.13.5 does not properly check for CSRF when sending the debug information to a user supplied email, which could allow attackers to make a logged in admin send such information to an arbitrary email address via a CSRF attack.

Affected products

webdevstudios Custom Post Type UI: before 1.13.5 — fixed in 1.13.5

How to fix

Upgrade to a fixed version: webdevstudios Custom Post Type UI 1.13.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/a04d3808-f4fc-4d77-a1bd-be623cd7053e
https://wpscan.com/vulnerability/a04d3808-f4fc-4d77-a1bd-be623cd7053e

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