Zero-Day Advisory

Fortinet Discovers WordPress Plugin Flamingo CSV Injection Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a CSV Injection vulnerability in the Wordpress Plugin - Flamingo.

Flamingo is a message storage plugin originally created for Contact Form 7, which doesn't store submitted messages. The plugin has over 500,000+ active installations.

A CSV Injection vulnerability was discovered in Flamingo Plugin v 2.1. It allows an user with low level privileges to inject OS command that will be included in the exported CSV file, leading to possible command/code execution.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

WordPress.Plugin.Flamingo.CSV.Injection
Released Jan 15, 2020

Update the plugin to the latest version  (v2.1.1).

Timeline

Fortinet reported the vulnerability to Flamingo's development team on January 09, 2020.

Flamingo's development team confirmed the vulnerability on January 15, 2020.

Flamingo's development team patched the vulnerability on January 15, 2020.

References

• https://wordpress.org/plugins/flamingo/#developers
  

  https://contactform7.com/2020/01/15/heads-up-about-spreadsheet-vulnerabilities/
  

Acknowledgement

This vulnerability was discovered by Vishnupriya Ilango of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.