KD Coming Soon <= 1.7 - Unauthenticated PHP Object Injection via cetitle

Deserialization of Untrusted Data
CVE CVE-2023-46615
CVSS 8.1 (High)
Publicly Published October 24, 2023
Last Updated October 27, 2023
Researcher Mika


The KD Coming Soon plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.7 via deserialization of untrusted input cetitle in the vulnerable kd_cemailer function. This makes it possible for unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.



1 affected software package

Software Type Plugin
Software Slug kd-coming-soon (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 1.7

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