EventON <= 2.2.14 - Authenticated (Administrator+) Stored Cross-Site Scripting

4.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-33940
CVSS 4.4 (Medium)
Publicly Published April 30, 2024
Last Updated August 9, 2024
Researcher Van Lyubov

Description

The EventON plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled. CVE-2024-4752 may be a duplicate of this issue.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for EventON – Events Calendar

Software Type Plugin
Software Slug eventon-lite (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.2.15, or a newer patched version
Affected Version
  • <= 2.2.14
Patched Version
  • 2.2.15

Recent vulnerabilities in EventON – Events Calendar

# Title CVE ID CVSS Researchers Date
1 EventON Lite <= 2.4.7 - Authenticated (Contributor+) Information Disclosure CVE-2025-8091 4.3 Moose Love August 14, 2025
2 EventON <= 2.4.4 - Missing Authorization CVE-2025-48116 5.3 astra.r3verii May 16, 2025
3 EventON <= 2.4.1 - Authenticated (Contributor+) Local File Inclusion CVE-2025-47494 8.8 zaim May 7, 2025
4 EventON <= 2.4 - Unauthenticated Local File Inclusion CVE-2025-32614 9.8 Dimas Maulana April 9, 2025
5 EventON <= 2.4.1 - Authenticated (Contributor+) Local File Inclusion CVE-2025-32160 8.8 Ngô Thiên An (ancorn_) April 4, 2025
6 EventON <= 2.2.16 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2024-6910 4.4 Wesley "dk4trin" Santos August 19, 2024
7 EventON <= 2.2.15 - Missing Authorization to Unauthenticated Stored Cross-Site Scripting and Plugin Settings Updates CVE-2024-6180 7.2 Lucio Sá July 8, 2024
8 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
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) - Missing Authorization via get_virtual_users CVE-2024-0235 5.3 Erwan LR January 10, 2024

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