Cross-site scripting (XSS) vulnerability in serendipity/serendipity_admin_image_selector.php in Serendipity before 1.6.1 allows remote attackers to inject arbitrary web script or HTML via the serendipity[textarea] parameter. NOTE: this issue might be resultant from cross-site request forgery (CSRF).

SQL injection vulnerability in include/functions_trackbacks.inc.php in Serendipity 1.6.2 allows remote attackers to execute arbitrary SQL commands via the url parameter to comment.php.

Cross-site scripting (XSS) vulnerability in Serendipity before 1.5.4, when "Remember me" logins are enabled, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The dynamic configuration feature in Xinha WYSIWYG editor 0.96 Beta 2 and earlier, as used in Serendipity 1.5.2 and earlier, allows remote attackers to bypass intended access restrictions and modify the configuration of arbitrary plugins via (1) crafted backend_config_secret_key_location and backend_config_hash parameters that are used in a SHA1 hash of a shared secret that can be known or externally influenced, which are not properly handled by the "Deprecated config passing" feature; or (2) crafted backend_data and backend_data[key_location] variables, which are not properly handled by the xinha_read_passed_data function. NOTE: this can be leveraged to upload and possibly execute arbitrary files via config.inc.php in the ImageManager plugin.

Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.

Cross-site scripting (XSS) vulnerability in the Top Referrers (aka referrer) plugin in Serendipity (S9Y) before 1.3.1 allows remote attackers to inject arbitrary web script or HTML via the Referer HTTP header.

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.

Multiple directory traversal vulnerabilities in Serendipity 1.0.3 and earlier allow remote attackers to read or include arbitrary local files via a .. (dot dot) sequence in the serendipity[charset] parameter in (1) include/lang.inc.php; or to plugins/ scripts (2) serendipity_event_bbcode/serendipity_event_bbcode.php, (3) serendipity_event_browsercompatibility/serendipity_event_browsercompatibility.php, (4) serendipity_event_contentrewrite/serendipity_event_contentrewrite.php, (5) serendipity_event_creativecommons/serendipity_event_creativecommons.php, (6) serendipity_event_emoticate/serendipity_event_emoticate.php, (7) serendipity_event_entryproperties/serendipity_event_entryproperties.php, (8) serendipity_event_karma/serendipity_event_karma.php, (9) serendipity_event_livesearch/serendipity_event_livesearch.php, (10) serendipity_event_mailer/serendipity_event_mailer.php, (11) serendipity_event_nl2br/serendipity_event_nl2br.php, (12) serendipity_event_s9ymarkup/serendipity_event_s9ymarkup.php, (13) serendipity_event_searchhighlight/serendipity_event_searchhighlight.php, (14) serendipity_event_spamblock/serendipity_event_spamblock.php, (15) serendipity_event_spartacus/serendipity_event_spartacus.php, (16) serendipity_event_statistics/serendipity_plugin_statistics.php, (17) serendipity_event_templatechooser/serendipity_event_templatechooser.php, (18) serendipity_event_textile/serendipity_event_textile.php, (19) serendipity_event_textwiki/serendipity_event_textwiki.php, (20) serendipity_event_trackexits/serendipity_event_trackexits.php, (21) serendipity_event_weblogping/serendipity_event_weblogping.php, (22) serendipity_event_xhtmlcleanup/serendipity_event_xhtmlcleanup.php, (23) serendipity_plugin_comments/serendipity_plugin_comments.php, (24) serendipity_plugin_creativecommons/serendipity_plugin_creativecommons.php, (25) serendipity_plugin_entrylinks/serendipity_plugin_entrylinks.php, (26) serendipity_plugin_eventwrapper/serendipity_plugin_eventwrapper.php, (27) serendipity_plugin_history/serendipity_plugin_history.php, (28) serendipity_plugin_recententries/serendipity_plugin_recententries.php, (29) serendipity_plugin_remoterss/serendipity_plugin_remoterss.php, (30) serendipity_plugin_shoutbox/serendipity_plugin_shoutbox.php, and and (31) serendipity_plugin_templatedropdown/serendipity_plugin_templatedropdown.php.

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.

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.

Unknown vulnerability in serendipity_config_local.inc.php for Serendipity before 0.8 has unknown impact.

Unknown vulnerability in "the function used to validate path-names for uploading media" in Serendipity before 0.8 has unknown impact.

The media manager in Serendipity before 0.8 allows remote attackers to upload and execute arbitrary (1) .php or (2) .shtml files.

Serendipity before 0.8 allows Chief users to "hide plugins installed by other users."

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.

CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.php.