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.