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Wordpress Securimage-WP Plugin v3.2.4 URI-based XSS Vulnerability

🗓️ 11 May 2013 00:00:00Reported by Gjoko KrsticType 
zeroscience
 zeroscience
🔗 www.zeroscience.mk👁 22 Views

Wordpress Securimage-WP Plugin v3.2.4 URI-based XSS Vulnerability in 'siwp_test.php' allows attackers to execute arbitrary HTML and script code in user's browser sessio

Code
<html><body><p>Wordpress Securimage-WP Plugin v3.2.4 URI-based XSS Vulnerability


Vendor: Securimage PHP CAPTCHA
Product web page: https://wordpress.org/extend/plugins/securimage-wp/
Affected version: 3.2.4

Summary: Securimage-WP adds powerful CAPTCHA protection to
comment forms on posts and pages to help prevent comment
spam from getting onto your site.

Desc: Securimage-WP suffers from a XSS issue in 'siwp_test.php'
that uses the 'PHP_SELF' variable. The vulnerability is
present because there isn't any filtering to the mentioned
variable in the affected script. Attackers can exploit this
weakness to execute arbitrary HTML and script code in a user's
browser session.

Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
           Apache 2.4.2 (Win32)
           PHP 5.4.7
           MySQL 5.5.25a


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2013-5140
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2013-5140.php


24.04.2013

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http://localhost/wordpress/wp-content/plugins/securimage-wp/siwp_test.php/"/&gt;<script>alert(document.cookie);</script>?tested=1
</p></body></html>

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