description: The Event Espresso 4 Decaf plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.10.11. This is due to missing or incorrect nonce validation on the ajaxHandler() function. This makes it possible for unauthenticated attackers to op into notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
problem types: CWE-352 Cross-Site Request Forgery (CSRF)
affected:
{
vendor: sethshoultes
product: Event Espresso 4 Decaf – Event Registration Event Ticketing
versions:
version: *, status: affected, lessThanOrEqual: 4.10.11, versionType: semver
defaultStatus: unaffected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
baseScore: 4.3
baseSeverity: MEDIUM
]