Cross-site scripting in osTicket - CVE-2014-4744

Detailed vulnerability description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in osTicket before 1.9.2 when processing the (1) Phone Number field to open.php or (2) Phone number field, (3) passwd1 field, (4) passwd2 field, or (5) do parameter to account.php. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

How to mitigate CVE-2014-4744

Sources

• http://secunia.com/advisories/59539
• http://www.securityfocus.com/bid/68500
• https://github.com/osTicket/osTicket-1.8/releases/tag/v1.9.2
• https://www.netsparker.com/critical-xss-vulnerabilities-in-osticket/