Unauthenticated IDOR in WpEvently Plugin

Executive Summary

This is an Unauthenticated Insecure Direct Object References (IDOR) vulnerability in the WpEvently WordPress plugin versions 5.6.0 and below. It allows unauthenticated attackers to bypass authorization and access sensitive files, folders, or interact with the database by exploiting direct object references.

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Detection Guidance

To detect this IDOR vulnerability in WpEvently <= 5.6.0, inspect network traffic for unauthorized direct object references in API calls or file access attempts. Check web server logs for suspicious requests targeting sensitive endpoints without authentication. Use tools like Burp Suite or OWASP ZAP to scan for IDOR patterns in plugin interactions.

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Impact Analysis

This vulnerability may allow attackers to access sensitive data or modify database entries without authentication. It is considered moderately dangerous and could be targeted in mass-exploit campaigns affecting thousands of websites. Immediate action is advised to prevent potential breaches.

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Mitigation Strategies

Immediately update WpEvently to version 5.6.4 or later. If updating is not possible, apply Patchstack's mitigation rule to block attacks temporarily. Disable the plugin if unused, restrict file permissions, and monitor for unauthorized access attempts. Consider enabling auto-updates for vulnerable plugins.

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