An unauthenticated arbitrary file upload vulnerability exists in Tiki Wiki CMS Groupware version 15.1 and earlier via the ELFinder component's default connector (connector.minimal.php), which allows remote attackers to upload and execute malicious PHP scripts in the context of the web server. The vulnerable component does not enforce file type validation, allowing attackers to craft a POST request to upload executable PHP payloads through the ELFinder interface exposed at /vendor_extra/elfinder/.
There is an Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in php webpages of Tiki-Wiki Groupware. Tiki-Wiki CMS all versions through 20.0 allows malicious users to cause the injection of malicious code fragments (scripts) into a legitimate web page.
A Cross-Site Scripting (XSS) vulnerability exists in Tiki Wiki CMG Groupware 11.0 via the id paraZeroClipboard.swf, which could let a remote malicious user execute arbitrary code.
An XSS vulnerability (via an SVG image) in Tiki before 18 allows an authenticated user to gain administrator privileges if an administrator opens a wiki page with a malicious SVG image, related to lib/filegals/filegallib.php.
Cross-site scripting (XSS) vulnerability in tiki-cookie-jar.php in TikiWiki CMS/Groupware before 8.2 and LTS before 6.5 allows remote attackers to inject arbitrary web script or HTML via arbitrary parameters.
TikiWiki CMS/Groupware 8.3 and earlier allows remote attackers to obtain the installation path via a direct request to (1) admin/include_calendar.php, (2) tiki-rss_error.php, or (3) tiki-watershed_service.php.
TikiWiki 1.6.1 allows remote attackers to bypass authentication by entering a valid username with an arbitrary password, possibly related to the Internet Explorer "Remember Me" feature. NOTE: some of these details are obtained from third party information.