Cross-Site Request Forgery in Global Content Blocks WordPress Plugin

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Cross-Site Request Forgery in Global Content Blocks WordPress Plugin
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Yorick Koster, July 2016

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Abstract
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It was discovered that the Global Content Blocks WordPress Plugin is
vulnerable to Cross-Site Request Forgery. Amongst others, this issue can
be used to update a content block to overwrite it with arbitrary PHP
code. Visiting a page or blog post that uses this content block will
cause the attackers PHP code to be executed.

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OVE ID
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OVE-20160712-0031

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Tested versions
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This issue was successfully tested on Global Content Blocks WordPress
Plugin version 2.1.5.

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Fix
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There is currently no fix available.

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Details
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https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_global_content_blocks_wordpress_plugin.html

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Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.