SB2021120348 - Arbitrary file upload in Modern Events Calendar Lite WordPress plugin



SB2021120348 - Arbitrary file upload in Modern Events Calendar Lite WordPress plugin

Published: December 3, 2021 Updated: September 3, 2022

Security Bulletin ID SB2021120348
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Arbitrary file upload (CVE-ID: CVE-2021-24145)

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of content-type when processing files uploads. A remote website administrator can upload an arbitrary PHP file by setting its content-type to "text/csv" and execute it on the server.


Remediation

Install update from vendor's website.