------------------------------------------------------------------------ Cross-Site Request Forgery in Global Content Blocks WordPress Plugin ------------------------------------------------------------------------ Yorick Koster, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ 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 attacker's PHP code to be executed. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160712-0031 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on Global Content Blocks WordPress Plugin version 2.1.5. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ There is currently no fix available. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_global_content_blocks_wordpress_plugin.html ------------------------------------------------------------------------ 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.
