Cross-site scripting (XSS) vulnerability in Serendipity (S9Y) before 1.3-beta1 allows remote authenticated users to inject arbitrary web script or HTML via (1) the "Real name" field in Personal Settings, which is presented to readers of articles; or (2) a file upload, as demonstrated by a .htm, .html, or .js file.
Cross-site scripting (XSS) vulnerability in the remote RSS sidebar plugin (serendipity_plugin_remoterss) in S9Y Serendipity before 1.2.1 allows remote attackers to inject arbitrary web script or HTML via a link in an RSS feed.
Cross-site scripting (XSS) vulnerability in the BBCode plugin for Serendipity before 0.8 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
SQL injection vulnerability in exit.php for Serendipity 0.8 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) url_id or (2) entry_id parameters.
Cross-site scripting (XSS) vulnerability in compat.php in Serendipity before 0.7.1 allows remote attackers to inject arbitrary web script or HTML via the searchTerm variable.