A missing authorization vulnerability in the WP Telegram Widget and Join Link plugin exposes the application to unauthorized actions due to insufficient access control validation.

The vulnerability is identified as CWE-862, Missing Authorization, which allows unauthenticated remote attackers to perform unauthorized actions by bypassing intended access control restrictions within the plugin.

The CVSS score of 8.1 indicates a high severity risk that could lead to unauthorized data manipulation or administrative configuration changes. Successful exploitation may result in the compromise of plugin settings, potentially leading to unauthorized telegram notifications or service disruption, which poses a significant risk to site integrity and administrative control.

Immediate Action: Since a specific patch version is not currently identified, administrators should monitor the vendor's repository for security updates and apply them as soon as they become available.

Proactive Monitoring: Review web server access logs for unusual requests targeting the plugin endpoints and monitor WordPress administrative activity for unauthorized configuration changes.

Compensating Controls: Deploy a Web Application Firewall (WAF) with rules designed to block unauthorized access to plugin specific administrative endpoints until an official patch is released.

Public Exploit Available: No (exploit_available: false)

The vulnerability presents a high risk due to the lack of authentication requirements for the affected functions. Organizations using this plugin should prioritize monitoring for vendor updates and verify that the plugin is configured with the least permissive settings possible until an update remediates the authorization flaw.