Tiki Wiki CMS Groupware Cross-Site Scripting Scanner

Tiki Wiki CMS Groupware is a full-featured, free source management software used for creating and managing websites, portals, knowledge bases, and collaboratively managed content; it is often deployed by organizations for documentation management and internal communication systems. Key features such as task tracking, blogs, forums, file sharing, and multilingual content offering make it a versatile solution. It is commonly utilized by NGOs, companies, and educational institutions to enhance productivity and organize internal resources. Tiki Wiki supports multiple versions and continuous development, underlining its dynamic and community-driven growth. Due to its extensive plugin support, it's widely chosen for building community portals and intranet systems. Additionally, with robust security configurations, it attempts to deliver a safe space for managing organizational content.

Cross-Site Scripting (XSS) is a web security vulnerability that allows an attacker to compromise the interactions that users have with a vulnerable application. It enables attackers to inject client-side scripts into web pages viewed by other users. An XSS vulnerability can be used to hijack the sessions of other users, deface websites, and redirect users to malicious sites. By exploiting these vulnerabilities, attackers can execute arbitrary commands and gain access to systems characterized by insufficient input validation. XSS vulnerabilities can occur in any application that renders user inputs into the outputs without proper escaping or encoding of the output data. As one of the most common vulnerabilities, it can result in significant security risks and exploitation.

The stated vulnerability in Tiki Wiki CMS Groupware v25.0 takes advantage of insufficient input validation within the comment handling system under the AJAX services endpoint. Specifically, it affects the controller intended for managing comments, as attackers can supply crafted script tokens during comment retrieval or display actions. The vulnerability allows the execution of arbitrary JavaScript within this feature, compromising the integrity of sessions and potentially leading to data leaks through script injection. An attacker could exploit this vector by making a legitimate user execute unauthorized client-side scripts, harvesting sensitive data, or efficiently masquerading as the affected user. Inadequate output encoding when rendering the 'objectId' parameter escalates the risk of execution of malicious scripts. This issue underscores the importance of robust input handling procedures within dynamic content management systems.

Exploiting the cross-site scripting vulnerability could lead to unauthorized execution of scripts in the browsers of users visiting the affected web pages. With successful exploitation, an attacker might steal session cookies, leading to session hijacking and unauthorized user impersonation on the platform. If administrative or privileged accounts are compromised, this could disrupt organizational functionality and leak sensitive documents or discussions. Malicious redirects or phishing attempts initiated by the threat actor could mislead users, potentially infecting them with further malware. The effect could degrade user confidence in accessing the platform and deter participation in collaborative content creation or management.

REFERENCES

• https://packetstormsecurity.com/files/170446/Tiki-Wiki-CMS-Groupware-25.0-Cross-Site-Scripting.html