Zero-Day Advisory

Fortinet Discovers Tencent Cross-Site Scripting Vulnerability


Fortinet's FortiGuard Labs has discovered a XSS (Cross-Site Scripting) vulnerability in Tencent website. is Tencent's website for automobile information. It is one of the most popular sites in China.

A XSS vulnerability has been discovered in website. It is caused by inadequate anti-XSS protection on this website.


Tencent has fixed it in September, 2015.


This vulnerability was discovered by Zhouyuan Yang 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.