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MyWebsiteAdvisor Simple Security WordPress Plugin

Author: Oussama911 , Published: 16-01-2015
# Product: Simple Security WordPress Plugin
# Vendor: MyWebsiteAdvisor
#Vulnerable Version(s): 1.1.5 and probably prior
#Tested Version: 1.1.5
#Date: 17 January 2015
#Author: Oussama911
#Greetz : Anonymous Algeria Team - Virus28 Team - Dz Mafia Team - Toxic Dz - Russi1703ox - Djamel11154 - all dz coders & hackers
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# Contact : fb.me/Anonymous.goverments - fb.me/teamvirus28
#Public Disclosure: January 14, 2015
#Vulnerability Type: Cross-Site Scripting [CWE-79]
#CVE Reference: CVE-2014-9570
#Risk Level: Low
#CVSSv2 Base Score: 2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
#Solution Status: Solution Available

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Advisory Details:

Oussama911 discovered two XSS vulnerabilities in Simple Security WordPress plugin, which can be exploited to perform Cross-Site Scripting attacks against administrators of WP websites with the vulnerable plugin.

1) Two Cross-Site Scripting (XSS) Vulnerabilities in Simple Security Wordpress Plugin: CVE-2014-9570

The discovered vulnerabilities can be used by attackers to steal administrator's cookies of a vulnerable website. This can lead to total website compromise.

Attackers can also perform drive-by-download attacks against website admin by injecting malware or exploit-packs into vulnerable scripts.

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

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

http://[host]/wp-admin/users.php?page=access_log&datefilter=%27%22%3E%3Cscript%3Ealert%28/ImmuniWeb/%29;%3C/script%3E

1.2 User input passed via the "simple_security_ip_blacklist[]" HTTP POST parameter to "/wp-admin/users.php" script is not properly filtered before being returned to the administrator. 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.

Below we provide a basic XSS exploit that uses JS "alert()" function to display "ImmuniWeb" pop-up:


<form action="http://[host]/wp-admin/users.php?page=ip_blacklist" method="post" name="main">
<input type="hidden" name="page" value="access_log">
<input type="hidden" name="action" value="add_blacklist_ip">
<input type="hidden" name="simple_security_ip_blacklist[]" value="'><script>alert('ImmuniWeb');</script>">
<input type="submit" id="btn">
</form>


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