WordPress RSS Feed Reader Plugin 'rss_url' Parameter Cross Site Scripting Vulnerability

Summary
This host is installed with WordPress RSS Feed Reader plugin and is prone to cross-site scripting vulnerability.
Impact
Successful exploitation will allow attackers to execute arbitrary web script or HTML in a user's browser session in the context of an affected site. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is caused by an input validation error in the 'rss_url' parameter in 'wp-content/plugins/rss-feed-reader/magpie/scripts/magpie_slashbox.php' when processing user-supplied data, which could be exploited by attackers to cause arbitrary scripting code to be executed by the user's browser in the security context of an affected site.
Affected
RSS Feed Reader WordPress Plugin 0.1
References