SB2021120348 - Arbitrary file upload in Modern Events Calendar Lite WordPress plugin
Published: December 3, 2021 Updated: September 3, 2022
Breakdown by Severity
- 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.