Simon Willison’s Weblog

Blogmarks tagged security, php

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csrf_protect.php. A PHP class for applying CSRF protection to existing PHP applications, using output buffering to rewrite any POST forms on a page. Heavily inspired by Django’s CSRF middleware. Tell me if you spot any bugs! # 24th September 2008, 2:52 pm

The backdooring of SquirrelMail. A SquirrelMail developer’s account was compromised and used to insert a backdoor: the other developers initially missed the hole because it used $_SERVER[’HTTP_BASE_PATH’], which can be set with a Base-Path: HTTP header. # 28th December 2007, 11:40 pm

Unsettling. Sounds like there might be a massive scripted hack going on against out of date WordPress installs on Dreamhost. Check your site. See also discussion in the comments attached to this post. # 5th June 2007, 9:16 pm

PHP 4 phpinfo() XSS Vulnerability. Another reason not to run an open phpinfo() page on your server. # 4th March 2007, 9:24 pm