This data is modified in such a way to force the TCPDF library to call the PHP server's "phar://" stream wrapper, and later abuse the PHP deserialization process to run code on the underlying server.

A hacker compromised the server used to distribute the PHP programming language and added a backdoor to source code that would have made websites vulnerable to complete takeover, members of the ...

The RCE bugs impact PHP Everywhere, a utility for web developers to be able to use PHP code in pages, posts, the sidebar, or anywhere with a Gutenberg block – editor blocks in WordPress – on ...