classyfrieds <= 3.8 - Arbitrary File Upload

8.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2021-24253
CVSS 8.8 (High)
Publicly Published April 10, 2021
Last Updated February 3, 2023
Researcher Jin Huang

Description

The classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE.

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Vulnerability Details for classyfrieds

Software Type Plugin
Software Slug classyfrieds (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 organizations risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 3.8

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