SB2019052904 - Cross-site scripting in Kanboard
Published: May 29, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: N/A)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "order" HTTP GET parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
Example:
http://localhost/kanboard-1.2.7/?controller=DashboardController&action=show&pagination=projects&user_id=1&page=1&order=%22%3E%3Cimg%20src=x%20onerror=alert(0)%3E"><img src=x onerror=alert(0)>
Remediation
Install update from vendor's website.