EventON - WordPress Virtual Event Calendar Plugin <= 5.0.11 - Unauthenticated Blind SQL Injection via Search Parameter

9.8
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE CVE-2026-9711
CVSS 9.8 (Critical)
Publicly Published June 29, 2026
Last Updated June 30, 2026
Researcher Nguyen Ngoc Duc (duc193)

Description

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress (full) is vulnerable to SQL Injection via the WordPress 'search' parameter in versions up to, and including, 5.0.11 due to insufficient escaping on the user supplied parameter and lack of preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database, granted the "Enable additional search queries" setting is enabled and at least one published event exists.

Learn more about SQL Injection vulnerabilities and how to prevent them.

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Vulnerability Details for EventON (Pro) - WordPress Virtual Event Calendar Plugin

Software Type Plugin
Software Slug eventON
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 5.0.11

Recent vulnerabilities in EventON (Pro) - WordPress Virtual Event Calendar Plugin

# Title CVE ID CVSS Researchers Date
1 EventON <= 4.9.12 - Reflected Cross-Site Scripting CVE-2026-28037 6.1 João Pedro Soares de Alcântara March 2, 2026
2 EventON Pro <= 4.9.12 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-63064 6.4 João Pedro Soares de Alcântara October 29, 2025
3 EventON <= 4.9.9 - Missing Authorization CVE-2025-47565 4.3 Nguyễn Trung Kiên July 3, 2025
4 EventON (Pro) <= 4.9.9 - Missing Authorization CVE-2025-47564 5.3 Nguyễn Trung Kiên May 16, 2025
5 EventON - WordPress Virtual Event Calendar Plugin <= 4.9.6 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2025-3527 6.4 Nguyễn Trung Kiên May 16, 2025
6 EventON PRO - WordPress Virtual Event Calendar Plugin <= 4.6.8 - Cross-Site Request Forgery via admin_test_email CVE-2023-6243 4.3 Francesco Carlucci October 18, 2024
7 EventON <= 4.4.0 - Reflected Cross-Site Scripting CVE-2023-7200 6.1 kauenavarro January 31, 2024
8 EventON - WordPress Virtual Event Calendar Plugin <= 4.5.4 (Pro) & <= 2.2.7 (Free) - Missing Authorization via get_virtual_users CVE-2024-0235 5.3 Erwan LR January 10, 2024
9 EventON - WordPress Virtual Event Calendar Plugin <= 4.5.4 (Pro) & <= 2.2.7 (Free) - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2023-6005 4.4 Miguel Santareno January 10, 2024
10 EventON - WordPress Virtual Event Calendar Plugin <= 4.5.4 (Pro) & <= 2.2.7 (Free) - Reflected Cross-Site Scripting CVE-2024-0233 6.1 Erwan LR January 10, 2024

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