WP-Cumulus Plug-in 1.20 for WordPress, and possibly other versions, allows remote attackers to obtain sensitive information via a crafted request to wp-cumulus.php, probably without parameters, which reveals the installation path in an error message.
Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.
Cross-site scripting (XSS) vulnerability in wp-admin/press-this.php in WordPress before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML via the s parameter (aka the selection variable).
Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated "UTF-8" substrings, related to the mb_convert_encoding function in PHP.
Peter's Math Anti-Spam Spinoff plugin for WordPress generates audio CAPTCHA clips by concatenating static audio files without any additional distortion, which allows remote attackers to bypass CAPTCHA protection by reading certain bytes from the generated clip.
Cross-site scripting (XSS) vulnerability in wp-admin/admin.php in NextGEN Gallery 0.96 and earlier plugin for Wordpress allows remote attackers to inject arbitrary web script or HTML via the picture description field in a page edit action.
SQL injection vulnerability in ahah/sf-profile.php in the Yellow Swordfish Simple Forum module for Wordpress allows remote attackers to execute arbitrary SQL commands via the u parameter. NOTE: this issue was disclosed by an unreliable researcher, so the details might be incorrect.
Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.
WP-Syntax plugin 0.9.1 and earlier for Wordpress, with register_globals enabled, allows remote attackers to execute arbitrary PHP code via the test_filter[wp_head] array parameter to test/index.php, which is used in a call to the call_user_func_array function.
Wordpress before 2.8.3 allows remote attackers to gain privileges via a direct request to (1) admin-footer.php, (2) edit-category-form.php, (3) edit-form-advanced.php, (4) edit-form-comment.php, (5) edit-link-category-form.php, (6) edit-link-form.php, (7) edit-page-form.php, and (8) edit-tag-form.php in wp-admin/.