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.
Cross-site request forgery (CSRF) vulnerability in Serendipity 0.8.4 and earlier allows remote attackers to perform unauthorized actions as a logged in user via a link or IMG tag to serendipity_admin.php.
Multiple cross-site scripting (XSS) vulnerabilities in Serendipity 0.8 allow remote attackers to inject arbitrary web script or HTML via the (1) templatedropdown and (2) shoutbox plugins.
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 Comment.php in Serendipity 0.7 beta1, and possibly other versions before 0.7-beta3, allows remote attackers to inject arbitrary HTML and PHP code via the (1) email or (2) username field.