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Two XSS in Contact Form DB WordPress plugin

Advisory ID:HTB23233
Product:Contact Form DB WordPress plugin
Vendor:Michael Simpson
Vulnerable Versions:2.8.13 and probably prior
Tested Version:2.8.13
Advisory Publication:September 17, 2014 [without technical details]
Vendor Notification:September 17, 2014
Vendor Fix:September 25, 2014
Public Disclosure:October 8, 2014
Latest Update:September 26, 2014
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2014-7139
Risk Level:Low
CVSSv2 Base Score:2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge Security Research Lab discovered two XSS vulnerabilities in Contact Form DB WordPress plugin, which can be exploited to perform Cross-Site Scripting (XSS) attacks against administrator of a WordPress website with vulnerable plugin installed.

1) Two Cross-Site Scripting (XSS) Vulnerabilities in Contact Form DB WordPress Plugin: CVE-2014-7139

1.1 Input passed via the "form" HTTP GET parameter to "/wp-admin/admin.php" script is not properly sanitised before being returned to the user. A remote attacker can trick a logged-in administrator to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.

The exploitation example below uses the "alert()" JavaScript function to display "immuniweb" word:

http://[host]/wp-admin/admin.php?page=CF7DBPluginShortCodeBuilder&form=%27%2 2%3E%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E

1.2 Input passed via the "enc" HTTP GET parameter to "/wp-admin/admin.php" script is not properly sanitised before being returned to the user. A remote attacker can trick a logged-in administrator to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.

The exploitation example below uses the "alert()" JavaScript function to display "immuniweb" word:

http://[host]/wp-admin/admin.php?page=CF7DBPluginShortCodeBuilder&enc=%27%22 %29;%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E


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Solution:
Update to Contact Form DB 2.8.16.

More Information:
https://wordpress.org/plugins/contact-form-7-to-database-extension/changelog/


References:
[1] High-Tech Bridge Advisory HTB23233 - https://www.htbridge.com/advisory/HTB23233 - Tow XSS in Contact Form DB WordPress Plugin.
[2] Contact Form DB WordPress plugin - http://wordpress.org/plugins/contact-form-7-to-database-extension/ - Save form submissions to the database from Contact Form 7, Fast Secure Contact Form, JetPack Contact Form and Gravity Forms. Includes exports and short codes.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
[5] ImmuniWeb® - Leveraging the power of machine-learning and genius of human brain to deliver the most advanced web application security and penetration testing.
[6] ImmuniWeb® SSLScan - Test your servers for security and compliance with PCI DSS, HIPAA and NIST.
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