wp-login.php in WordPress 1.5.1.2 and earlier allows remote attackers to change the content of the forgotten password e-mail message via the message variable, which is not initialized before use.

WordPress 1.5.1.2 and earlier allows remote attackers to obtain sensitive information via (1) a direct request to menu-header.php or a "1" value in the feed parameter to (2) wp-atom.php, (3) wp-rss.php, or (4) wp-rss2.php, which reveal the path in an error message. NOTE: vector [1] was later reported to also affect WordPress 2.0.1.

SQL injection vulnerability in template-functions-category.php in WordPress 1.5.1 allows remote attackers to execute arbitrary SQL commands via the $cat_ID variable, as demonstrated using the cat parameter to index.php.

SQL injection vulnerability in wp-trackback.php in Wordpress 1.5 and earlier allows remote attackers to execute arbitrary SQL commands via the tb_id parameter.

Wordpress 1.5 and earlier allows remote attackers to obtain sensitive information via a direct request to files in (1) wp-content/themes/, (2) wp-includes/, or (3) wp-admin/, which reveal the path in an error message.

Multiple cross-site scripting (XSS) vulnerabilities in template-functions-post.php in WordPress 1.5 and earlier allow remote attackers to execute arbitrary commands via the (1) content or (2) title of the post.

Multiple cross-site scripting (XSS) vulnerabilities in Wordpress 1.2 allow remote attackers to inject arbitrary web script or HTML via the (1) redirect_to, text, popupurl, or popuptitle parameters to wp-login.php, (2) redirect_url parameter to admin-header.php, (3) popuptitle, popupurl, content, or post_title parameters to bookmarklet.php, (4) cat_ID parameter to categories.php, (5) s parameter to edit.php, or (6) s or mode parameter to edit-comments.php.

CRLF injection vulnerability in wp-login.php in WordPress 1.2 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the text parameter.