123ContactForm for WordPress <= 1.5.6 - Arbitrary Post Creation

Improper Authorization
CVSS 7.5 (High)
Publicly Published January 20, 2021
Last Updated December 5, 2022
Researcher Rodrigo Escobar (ipax) - Sucuri


The 123ContactForm for WordPress plugin for WordPress is vulnerable to Arbitrary Post Creation in versions up to, and including, 1.5.6. This is due to incorrect signature validation on the cfp_new_post function. This makes it possible for unauthenticated attackers to create arbitrary posts.



1 affected software package

Software Type Plugin
Software Slug 123contactform-for-wordpress (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
  • <= 1.5.6

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