CVE-2024-22720 in Kanboard
Summary
by MITRE • 01/24/2024
Kanboard 1.2.34 is vulnerable to Html Injection in the group management feature.
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Analysis
by VulDB Data Team • 06/05/2025
Kanboard version 1.2.34 contains a html injection vulnerability within its group management functionality that represents a significant security risk for organizations relying on this project management platform. This vulnerability falls under the category of improper neutralization of input data, which is classified as CWE-79 in the Common Weakness Enumeration catalog. The flaw exists when administrators or users interact with the group management interface, allowing malicious actors to inject arbitrary html code that gets rendered in the web application's user interface.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input within the group management feature. When group names, descriptions, or other editable fields are processed by the application, the system fails to properly escape or validate html characters before storing or displaying the data. This creates an environment where attackers can inject malicious scripts or html elements that execute in the context of other users' browsers. The vulnerability specifically impacts the group management functionality, which is a core administrative component of the Kanboard platform that handles user permissions and organizational structures.
The operational impact of this html injection vulnerability extends beyond simple data corruption or display issues. Attackers could leverage this weakness to perform cross-site scripting attacks that compromise user sessions, steal sensitive information, or manipulate group permissions to gain unauthorized access to project data. The vulnerability affects all users who can access the group management feature, potentially including administrators, which could lead to complete system compromise. From an attack perspective, this vulnerability aligns with ATT&CK technique T1059.001 for command and control through script injection, and T1531 for tampering with security software or defenses through malicious code injection.
Organizations using Kanboard 1.2.34 should immediately implement mitigations including input validation and output encoding for all user-supplied data within the group management interface. The recommended approach involves implementing strict html sanitization libraries that strip or escape dangerous html tags and attributes before processing user input. Additionally, organizations should enforce the principle of least privilege for group management access, limiting administrative capabilities to trusted users only. Security teams should also monitor application logs for suspicious activity related to group management operations and implement web application firewalls with html injection detection capabilities. The vulnerability demonstrates the importance of secure coding practices and input validation as outlined in OWASP Top 10 2021 category A03: Injection, making this remediation critical for maintaining the integrity and security of project management workflows that rely on this platform.