Known vulnerabilities in Event Espresso – Event Registration & Ticketing Sales

The best events plugin with event registration, free and paid ticket sales, event registration forms, PayPal payments, automatic emails, and more!

5Reported vulnerabilities

6.5Highest CVSS score

5.0.58.decafLatest version

600+Active installs

What to do now

Update Event Espresso – Event Registration & Ticketing Sales to 5.0.53.decaf or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 17, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2025-68007	Medium 6.5	0.4%	5.0.37.decaf and earlier	`5.0.53.decaf`	January 15, 2026
CVE-2023-27437	Medium 5.3	0.3%	4.10.44.decaf and earlier	`4.10.45.decaf`	March 5, 2023
CVE-2024-56251	Medium 4.3	0.2%	5.0.28.decaf and earlier	`5.0.31.decaf`	December 30, 2024
CVE-2024-6883	Medium 4.3	0.3%	0 to 4.10.46.decaf (inclusive)	`5.0.22.decaf`	August 21, 2024
CVE-2021-4404	Medium 4.3	0.4%	4.10.11 and earlier	`4.10.12`	July 1, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.