CVE-2025-14289 in webMethods Integration Server
Summary
by MITRE • 02/17/2026
IBM webMethods Integration Server 12.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
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Analysis
by VulDB Data Team • 02/21/2026
IBM webMethods Integration Server version 12.0 contains a critical html injection vulnerability that allows remote attackers to inject malicious html code into the application's response. This vulnerability falls under the common weakness enumeration CWE-79 which specifically addresses cross-site scripting vulnerabilities where untrusted data is improperly sanitized before being rendered in web browsers. The flaw exists in the application's handling of user-supplied input that is subsequently reflected in html output without proper sanitization or encoding mechanisms. When a victim accesses a page containing the injected html code, the malicious content executes within the security context of the hosting site, potentially allowing attackers to steal session cookies, perform unauthorized actions, or redirect users to malicious websites. The attack vector is entirely remote and does not require authentication, making it particularly dangerous as it can be exploited by anyone who can submit data to the vulnerable application. This vulnerability directly impacts the integrity and confidentiality of web applications by enabling attackers to manipulate the user interface and execute arbitrary code in the victim's browser context. The security implications extend beyond simple html injection as this could serve as a stepping stone for more sophisticated attacks including session hijacking, data exfiltration, or privilege escalation within the application's security boundaries.
The operational impact of this vulnerability is significant for organizations using IBM webMethods Integration Server 12.0 as it creates an attack surface that can be exploited without requiring any special privileges or credentials. The injected html code can be crafted to perform various malicious activities such as stealing authentication tokens, redirecting users to phishing sites, or executing malicious javascript that can access sensitive data within the browser's context. This vulnerability particularly affects the application's ability to maintain secure session management and user authentication integrity, as attackers can potentially hijack active sessions and impersonate legitimate users. The attack can be performed through various means including form submissions, url parameters, or any input field that accepts user data and subsequently renders it in html output. Organizations may experience unauthorized access to sensitive integration data, potential data breaches, and compromised user sessions that could lead to regulatory compliance violations and financial losses. The vulnerability also impacts the application's trust model as users may be tricked into executing malicious code believing it originates from a legitimate source within the application's domain.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms to prevent html injection attacks. Organizations should immediately apply the vendor-provided security patches and updates for IBM webMethods Integration Server 12.0 to address this vulnerability. Additionally, implementing proper content security policies, using html encoding for all user-supplied input, and employing web application firewalls can provide additional layers of protection. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other components of the integration platform. The implementation of secure coding practices that prevent direct html rendering of user input without proper sanitization aligns with industry best practices and helps protect against similar injection vulnerabilities. Organizations should also consider implementing monitoring and logging mechanisms to detect potential exploitation attempts and establish incident response procedures to quickly address any security breaches that may occur. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect against common web application vulnerabilities that can have severe operational and security implications.