Modern Events Calendar Lite <= 5.16.4 - Authenticated Arbitrary File Upload leading to Remote Code Execution

7.2
Unrestricted Upload of File with Dangerous Type
CVE CVE-2021-24145
CVSS 7.2 (High)
Publicly Published January 29, 2021
Last Updated July 8, 2022
Researcher Nguyen Van Khanh

Description

Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.

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1 affected software package

Software Type Plugin
Software Slug modern-events-calendar-lite (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.16.5, or a newer patched version
Affected Version
  • <= 5.16.4
Patched Version
  • 5.16.5

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