Zero-Day Advisory

Fortinet Discovers WordPress Wise Chat Plugin CSV Injection Vulnerability


Fortinet's Fortiguard Labs has discovered a CSV Injection vulnerability in WordPress Wise Chat plugin.

Wise Chat is a leading chat plugin that helps to build a social network and to increase user engagement on your website by providing the possibility to exchange real time messages in chat rooms.

A CSV Injection vulnerability was discovered in WordPress Wise Chat Plugin (2.8.3). It allows an user with low level privileges (or unauthenticated) to inject a command in chat messages that will be included in the exported CSV file (via message backup), leading to possible code execution.


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

Released May 08, 2020

Upgrade to the latest version  - 2.8.4


Fortinet reported the vulnerability to Wise Chat Team on May 04 2020

Wise Chat Team confirmed the vulnerability on June 17, 2020

Wise Chat Team patched the vulnerability on July 02, 2020


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.