WordPress — свободно распространяемая система управления содержимым сайта с открытым исходным кодом.

Cross-site request forgery (CSRF) vulnerability in the AdminPanel in WordPress 2.1.1 and earlier allows remote attackers to perform privileged actions as administrators, as demonstrated using the delete action in wp-admin/post.php. NOTE: this issue can be leveraged to perform cross-site scripting (XSS) attacks and steal cookies via the post parameter.

Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/functions.php in WordPress before 2.1.2-alpha allow remote attackers to inject arbitrary web script or HTML via (1) the Referer HTTP header or (2) the URI, a different vulnerability than CVE-2007-1049.

Cross-site scripting (XSS) vulnerability in the wp_explain_nonce function in the nonce AYS functionality (wp-includes/functions.php) for WordPress 2.0 before 2.0.9 and 2.1 before 2.1.1 allows remote attackers to inject arbitrary web script or HTML via the file parameter to wp-admin/templates.php, and possibly other vectors involving the action variable.

WordPress allows remote attackers to determine the existence of arbitrary files, and possibly read portions of certain files, via pingback service calls with a source URI that corresponds to a local pathname, which triggers different fault codes for existing and non-existing files, and in certain configurations causes a brief file excerpt to be published as a blog comment.

The wp_remote_fopen function in WordPress before 2.1 allows remote attackers to cause a denial of service (bandwidth or thread consumption) via pingback service calls with a source URI that corresponds to a large file, which triggers a long download session without a timeout constraint.

WordPress allows remote attackers to cause a denial of service (bandwidth or thread consumption) via pingback service calls with a source URI that corresponds to a file with a binary content type, which is downloaded even though it cannot contain usable pingback data.

WordPress 2.0.6, and 2.1Alpha 3 (SVN:4662), does not properly verify that the m parameter value has the string data type, which allows remote attackers to obtain sensitive information via an invalid m[] parameter, as demonstrated by obtaining the path, and obtaining certain SQL information such as the table prefix.

wp-trackback.php in WordPress 2.0.6 and earlier does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to execute arbitrary SQL commands via the tb_id parameter. NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in WordPress.

wp-login.php in WordPress 2.0.5 and earlier displays different error messages if a user exists or not, which allows remote attackers to obtain sensitive information and facilitates brute force attacks.

Cross-site scripting (XSS) vulnerability in the CSRF protection scheme in WordPress before 2.0.6 allows remote attackers to inject arbitrary web script or HTML via a CSRF attack with an invalid token and quote characters or HTML tags in URL variable names, which are not properly handled when WordPress generates a new link to verify the request.