Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a plug-in can be loaded in the background without any security verification, which may lead to obtaining system permissions.
textpattern version version 4.6.2 contains a XML Injection vulnerability in Import XML feature that can result in Denial of service in context to the web server by exhausting server memory resources. This attack appear to be exploitable via Uploading a specially crafted XML file.
Cross-site scripting (XSS) vulnerability in Textpattern CMS before 4.5.7 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to setup/index.php.
Cross-site scripting (XSS) vulnerability in setup/index.php in Textpattern CMS 4.4.1, when the product is incompletely installed, allows remote attackers to inject arbitrary web script or HTML via the ddb parameter.