CVE-2026-56283 in Capgo
Summary
by MITRE • 07/08/2026
Capgo before 12.128.2 contains an html injection vulnerability in the organization settings endpoint that allows attackers to inject malicious HTML content. Attackers can craft payloads in the organization name field to redirect users to untrusted websites, enabling phishing attacks and reputational damage.
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Analysis
by VulDB Data Team • 07/08/2026
The vulnerability under discussion represents a critical html injection flaw within the Capgo application ecosystem, specifically affecting versions prior to 12.128.2. This security weakness resides in the organization settings endpoint where user input validation is insufficiently implemented. The flaw allows malicious actors to manipulate the organization name field through crafted payloads that can contain malicious html code. When users interact with the affected system, particularly during organization configuration processes, the injected html content executes within the context of the application's user interface. This type of vulnerability falls under the common weakness enumeration category CWE-79 which specifically addresses cross-site scripting attacks and html injection scenarios where applications fail to properly sanitize user-supplied data before incorporating it into dynamic web content.
The operational impact of this vulnerability extends beyond simple data corruption or display issues, creating significant risks for organizations utilizing Capgo services. Attackers can exploit this weakness by injecting javascript code or malicious hyperlinks that redirect unsuspecting users to phishing websites designed to harvest credentials or sensitive information. The redirection mechanism leverages the trust relationship between the user and the legitimate application interface, making these attacks particularly effective for social engineering operations. Users who navigate to compromised organization settings pages may unknowingly provide authentication credentials to attacker-controlled domains, leading to unauthorized access to organizational resources and potential data breaches. The reputational damage extends beyond immediate security compromises as organizations may face customer trust erosion when users discover that their sensitive information was exposed through such vulnerabilities.
Security practitioners should recognize this vulnerability as part of the broader category of web application attacks that align with attack techniques documented in the attack tree framework under techniques related to credential access and defense evasion. The weakness creates an entry point for attackers to establish persistent access patterns within organizational networks, potentially enabling lateral movement once initial compromise occurs. Mitigation strategies must prioritize immediate patching of affected versions to 12.128.2 or later releases where proper input sanitization and validation mechanisms have been implemented. Organizations should also implement additional defensive measures including content security policy enforcement, regular security scanning of user input fields, and comprehensive monitoring for unusual traffic patterns that might indicate exploitation attempts. Network segmentation and privileged access controls should be reviewed to limit the potential impact of successful exploitation attempts, while user education programs can help reduce susceptibility to phishing vectors that leverage this specific vulnerability.