Vulnerability identifier: #VU24369
Vulnerability risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Chained Quiz
Web applications /
Modules and components for CMS
Vendor: Kiboko Labs
Description
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 in the "total_questions" POST parameter in the "models/quiz.php" file when a user completes a quiz. 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:
$output = str_replace('{{questions}}', $_POST['total_questions'], $output);
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Chained Quiz: 1.1.2 - 1.1.8.1
External links
http://wpvulndb.com/vulnerabilities/10029/
http://plugins.trac.wordpress.org/changeset/2228538
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.