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 request forgery (CSRF) vulnerability in the Entry Manager in Serendipity before 1.0-beta3 allows remote attackers to perform unauthorized actions as a logged-in user via a link or IMG tag.
config.php in S9Y Serendipity 1.0 beta 2 allows remote attackers to inject arbitrary PHP code by editing values that are stored in config.php and later executed. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.