Cross-Site Request Forgery Vulnerability in Event Espresso 4 Decaf Plugin for WordPress
CVE-2021-4404

4.3MEDIUM

Key Information:

Vendor

Wordpress
Status
Event Espresso 4 Decaf – Event Registration Event Ticketing
Vendor
CVE Published:
1 July 2023

What is CVE-2021-4404?

The Event Espresso 4 Decaf plugin for WordPress is susceptible to Cross-Site Request Forgery (CSRF) due to inadequate nonce validation in the ajaxHandler() function. This vulnerability enables unauthenticated attackers to exploit the system by tricking site administrators into performing actions via a maliciously crafted request, potentially leading to unauthorized access to notifications or sensitive functionalities. It is crucial for users of version 4.10.11 and earlier to apply the appropriate updates to mitigate these risks.

Affected Version(s)

Event Espresso 4 Decaf – Event Registration Event Ticketing * <= 4.10.11

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/25-wordpress-plugins-vulnerab...
https://blog.nintechnet.com/more-wordpress-plugins-and-th...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.