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Wordpress 3.3.1+dfsg-1 Media Library Persistent XSS

2014.02.02
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

Title: Persistent XSS in Wordpress 3.3.1+dfsg-1 (Packaged with Ubuntu 12.04.4) Author: Larry W. Cashdollar, @_larry0 Date: 2/1/2014 Vendor: Not notified yet. Download: http://wordpress.org/download Versions Impacted: 3.3.1 -> 3.8.1 tested 2/2/2014. Persistent XSS injection description field in Media Library. Notes: Line 235 of upload.php renders the 'View' option: 235 <?php $wp_list_table->display(); ?> Trace wp_list_table->display back to find unsantized html out. Lines 100-102 of wp-includes/canonical.php call functions to render vulnerable page: 100 if ( is_attachment() && !empty($_GET['attachment_id']) && ! $redirect_url ) { 101 if ( $redirect_url = get_attachment_link(get_query_var('attachment_id')) ) 102 $redirect['query'] = remove_query_arg('attachment_id', $redirect['query']); CVE: Please assign. Persistent XSS injection description field in Media Library. Description: A persistent cross site scripting vulnerability exists in the latest version of WordPress in the Media Library. It appears the Description field is not properly sanitized when viewed. The malicious code is stored when the description field is saved. Full Advisory: http://vapid.dhs.org/advisories/wordpress/XSS/xss_wordpress.html

References:

http://vapid.dhs.org/advisories/wordpress/XSS/xss_wordpress.html


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