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.

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.

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 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.

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 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.

Serendipity 2.5.0 Remote Code Execution via Authenticated Media Upload

Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the media upload functionality. Attackers can exploit the file upload mechanism by creating a PHP shell with a command execution form that enables arbitrary system command execution on the web server.

Serendipity 2.4.0 Authenticated Remote Code Execution via File Upload

Serendipity 2.4.0 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension. Attackers can upload files with system command payloads to the media upload endpoint and execute arbitrary commands on the server.

Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation

Serendipity 2.4.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through blog entry creation. Attackers can craft entries with JavaScript payloads that will execute when other users view the compromised blog post.

SQL injection vulnerability in include/functions_entries.inc.php in Serendipity 2.0.5 allows remote authenticated users to execute arbitrary SQL commands via the cat parameter.

comment.php in Serendipity through 2.0.5 allows CSRF in deleting any comments.

Serendipity through 2.0.5 allows CSRF for the installation of an event plugin or a sidebar plugin.

Open redirect vulnerability in comment.php in Serendipity through 2.0.5 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the HTTP Referer header.

Stored XSS in Serendipity v2.1-rc1 allows an attacker to steal an admin's cookie and other information by composing a new entry as an editor user. This is related to lack of the serendipity_event_xsstrust plugin and a set_config error in that plugin.

There is CSRF in Serendipity 2.0.5, allowing attackers to install any themes via a GET request.

Serendipity 2.0.3 is vulnerable to a SQL injection in the blog component resulting in information disclosure

Multiple incomplete blacklist vulnerabilities in the serendipity_isActiveFile function in include/functions_images.inc.php in Serendipity before 2.0.2 allow remote authenticated users to execute arbitrary PHP code by uploading a file with a (1) .pht or (2) .phtml extension.

Cross-site scripting (XSS) vulnerability in js/2k11.min.js in the 2k11 theme in Serendipity before 2.0.2 allows remote attackers to inject arbitrary web script or HTML via a user name in a comment, which is not properly handled in a Reply link.