Multiple cross-site scripting (XSS) vulnerabilities in TWiki before 5.1.0 allow remote attackers to inject arbitrary web script or HTML via (1) the newtopic parameter in a WebCreateNewTopic action, related to the TWiki.WebCreateNewTopicTemplate topic; or (2) the query string to SlideShow.pm in the SlideShowPlugin.

Cross-site scripting (XSS) vulnerability in TWiki allows remote attackers to inject arbitrary web script or HTML via the organization field in a profile, involving (1) registration or (2) editing of the user.

The localization functionality in TWiki before 5.1.3, and Foswiki 1.0.x through 1.0.10 and 1.1.x through 1.1.6, allows remote attackers to cause a denial of service (memory consumption) via a large integer in a %MAKETEXT% macro.

Cross-site request forgery (CSRF) vulnerability in TWiki before 4.3.2 allows remote attackers to hijack the authentication of arbitrary users for requests that update pages, as demonstrated by a URL for a save script in the ACTION attribute of a FORM element, in conjunction with a call to the submit method in the onload attribute of a BODY element. NOTE: this issue exists because of an insufficient fix for CVE-2009-1339.

Multiple cross-site scripting (XSS) vulnerabilities in lib/TWiki.pm in TWiki before 5.0.1 allow remote attackers to inject arbitrary web script or HTML via (1) the rev parameter to the view script or (2) the query string to the login script.

bin/statistics in TWiki 6.0.2 allows cross-site scripting (XSS) via the webs parameter.

Eval injection vulnerability in lib/TWiki/Plugins.pm in TWiki before 6.0.1 allows remote attackers to execute arbitrary Perl code via the debugenableplugins parameter to do/view/Main/WebHome.

TWiki before 5.1.4 allows remote attackers to execute arbitrary shell commands by sending a crafted '%MAKETEXT{}%' parameter value containing Perl backtick characters.

TWiki allows arbitrary shell command execution via the Include function