CVE-2026-40776: WP Event Solution Eventin broken access control

CVE-2026-40776 · Severity: high · CVSS 7.5 · Published 2026-06-15

A security vulnerability exists in the Eventin plugin for WordPress, which is used to manage event registrations and schedules. An unauthorized person could exploit this flaw to access sensitive information that should be restricted to administrators. This could lead to the exposure of private event data or customer information, potentially impacting organizational privacy and compliance.

Technologies: WP Event Solution Eventin. Vendors: WP Event Solution.

Quick answers

Is CVE-2026-40776 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40776 being exploited in the wild.
How severe is CVE-2026-40776?
High severity, with a CVSS score of 7.5, published 15 June 2026.
Which products and versions are affected?
WP Event Solution Eventin <= 4.1.8.
Is there a fix for CVE-2026-40776?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-40776 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-40776?
Check whether you run WP Event Solution Eventin at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The Eventin (formerly WP Event Solution) plugin for WordPress is vulnerable to broken access control due to missing authorization checks (CWE-862). An unauthenticated remote attacker can exploit this vulnerability by sending crafted requests to affected endpoints. Successful exploitation allows the attacker to bypass intended access restrictions and retrieve sensitive data (Confidentiality: High). The vulnerability is present in versions up to and including 4.1.8. Users are advised to update to the latest available version to mitigate this risk.

Affected products

  • WP Event Solution Eventin (WP Event Solution) <= 4.1.8

Timeline

  • 2026-06-15: disclosed
  • 2026-06-15: advisory

References

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