What the vulnerability does
01Description
The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'tec_qr_code_modal' AJAX endpoint in all versions up to, and including, 6.15.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view draft event names and generate/view QR codes for them.
Explanation of Vulnerability in Simple Terms
02Summary
The Events Calendar for WordPress contains an authorization flaw that allows authenticated users with low privileges to read sensitive event data they should not access. The vulnerability affects all versions up to 6.15.9. An attacker with a basic user account can view confidential event information without additional interaction. Site administrators should update to a version newer than 6.15.9 to remediate this issue.
What an attacker can do
03Attacker Capabilities
Read event data and information they do not have permission to access.
Potential impact on your site
04Site Impact
Confidential event details may be exposed to unauthorized users with basic site access.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
October 31, 2025
CVE published
April 8, 2026
Record updated