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Multiple Cross-Site Scripting (XSS) in WP Google Maps WordPress Plugin



Advisory ID: HTB23236
Product: WP Google Maps WordPress plugin
Vendor: WP Google Maps 
Vulnerable Version(s): 6.0.26 and probably prior
Tested Version: 6.0.26
Advisory Publication:  September 24, 2014  [without technical details]
Vendor Notification: September 24, 2014 
Vendor Patch: September 29, 2014 
Public Disclosure: October 15, 2014 
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2014-7182
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 ( https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered three XSS vulnerabilities in WP Google Maps WordPress plugin, which can be exploited to perform Cross-Site Scripting (XSS) attacks against administrators of vulnerable WP website.

1) Multiple XSS in WP Google Maps WordPress plugin: CVE-2014-7182

1.1 Input passed via the "poly_id" 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://wordpress/wp-admin/admin.php?page=wp-google-maps-menu&action=edit_poly&map_id=1&poly_id=%27%22%3E%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E

1.2 Input passed via the "poly_id" 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://wordpress/wp-admin/admin.php?page=wp-google-maps-menu&action=edit_polyline&map_id=1&poly_id=%27%22%3E%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E

1.3 Input passed via the "poly_id" 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://wordpress/wp-admin/admin.php?page=wp-google-maps-menu&action=edit_marker&id=%27%22%3E%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E


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Solution:

Update to WP Google Maps 6.0.27

More Information:
https://wordpress.org/plugins/wp-google-maps/changelog/

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References:

[1] High-Tech Bridge Advisory HTB23236 - https://www.htbridge.com/advisory/HTB23236 - Multiple Cross-Site Scripting (XSS) in WP Google Maps WordPress Plugin.
[2] WP Google Maps WordPress plugin - http://www.wpgmaps.com/ - The easiest to use Google Maps plugin! Create custom Google Maps with high quality markers containing locations, descriptions, images and links. Add your customized map to your WordPress posts and/or pages quickly and easily with the supplied shortcode.
[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® SaaS - https://www.htbridge.com/immuniweb/ - hybrid of manual web application penetration test and cutting-edge vulnerability scanner available online via a Software-as-a-Service (SaaS) model.

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Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.