Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to inject arbitrary web script or HTML via the serendipity[entry_id] parameter in an "edit" admin action to serendipity_admin.php.

include/functions_installer.inc.php in Serendipity through 2.0.5 is vulnerable to File Inclusion and a possible Code Execution attack during a first-time installation because it fails to sanitize the dbType POST parameter before adding it to an include() call in the bundled-libs/serendipity_generateFTPChecksums.php file.

Multiple cross-site scripting (XSS) vulnerabilities in Serendipity before 2.0.5 allow remote authenticated users to inject arbitrary web script or HTML via a category or directory name.

In Serendipity before 2.0.5, an attacker can bypass SSRF protection by using a malformed IP address (e.g., http://127.1) or a 30x (aka Redirection) HTTP status code.

Multiple cross-site scripting (XSS) vulnerabilities in templates/2k11/admin/overview.inc.tpl in Serendipity before 2.0-rc2 allow remote attackers to inject arbitrary web script or HTML via a blog comment in the QUERY_STRING to serendipity/index.php.

Cross-site scripting (XSS) vulnerability in templates/2k11/admin/entries.tpl in Serendipity before 2.0.1 allows remote authenticated editors to inject arbitrary web script or HTML via the serendipity[cat][name] parameter to serendipity_admin.php, when creating a new category.

SQL injection vulnerability in the serendipity_checkCommentToken function in include/functions_comments.inc.php in Serendipity before 2.0.2, when "Use Tokens for Comment Moderation" is enabled, allows remote administrators to execute arbitrary SQL commands via the serendipity[id] parameter to serendipity_admin.php.

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.

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_admin_image_selector.php in Serendipity 1.6.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the serendipity[htmltarget] parameter.

Cross-site scripting (XSS) vulnerability in spell-check-savedicts.php in the htmlarea SpellChecker module, as used in Serendipity before 1.7.3 and possibly other products, allows remote attackers to inject arbitrary web script or HTML via the to_r_list parameter.

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).

Serendipity 1.5.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by templates/newspaper/layout.php and certain other files.

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.

SQL injection vulnerability in serendipity/serendipity_admin.php in Serendipity before 1.6.1 allows remote attackers to execute arbitrary SQL commands via the serendipity[plugin_to_conf] parameter. NOTE: this issue might be resultant from cross-site request forgery (CSRF).

An arbitrary file upload vulnerability in Serendipity 2.4-beta1 allows attackers to execute arbitrary code via a crafted HTML or Javascript file.

Serendipity before 2.3.4 on Windows allows remote attackers to execute arbitrary code because the filename of a renamed file may end with a dot. This file may then be renamed to have a .php filename.

Serendipity before 2.1.5 has XSS via EXIF data that is mishandled in the templates/2k11/admin/media_choose.tpl Editor Preview feature or the templates/2k11/admin/media_items.tpl Media Library feature.

serendipity_moveMediaDirectory in Serendipity 2.0.3 allows remote attackers to upload and execute arbitrary PHP code because it mishandles an extensionless filename during a rename, as demonstrated by "php" as a filename.

Serendipity 2.0.4 has XSS via the serendipity_admin.php serendipity[body] parameter.