CVE-2023-4423: WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce <= 3.1.37.1 - Authenticated (Admin+) Stored Cross-Site Scripting
The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1 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 unfilteredhtml has been disabled.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-4423.
What is the severity of CVE-2023-4423?
The severity of CVE-2023-4423 is medium with a severity value of 4.4.
How does the vulnerability in the WP Event Manager plugin manifest?
The vulnerability manifests as a Stored Cross-Site Scripting via admin settings.
Which versions of the WP Event Manager plugin are affected?
Versions up to, and including, 3.1.37.1 of the WP Event Manager plugin are affected.
How can the vulnerability be fixed?
To fix the vulnerability, update the WP Event Manager plugin to version 3.1.38 or later.