CVE-2025-27455 in MEAC300-FNADE4
Summary
by MITRE • 07/03/2025
The web application is vulnerable to clickjacking attacks. The site can be embedded into another frame, allowing an attacker to trick a user into clicking on something different from what the user perceives, thus potentially revealing confidential information or allowing others to take control of their computer while clicking on seemingly innocuous objects.
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Analysis
by VulDB Data Team • 02/06/2026
The vulnerability described in CVE-2025-27455 represents a critical security flaw that exposes web applications to clickjacking attacks, a technique that manipulates user interactions through deceptive framing mechanisms. This vulnerability falls under the broader category of user interface redress attacks and is classified as CWE-1021 by the Common Weakness Enumeration system. The core issue arises when a web application fails to implement proper protective measures against being embedded within iframe elements or other container mechanisms that can obscure the true nature of user interactions.
Clickjacking exploits the fundamental trust users place in their browser environment by creating malicious overlays that can capture user clicks intended for legitimate application interfaces. When a vulnerable web application is embedded within another page through techniques such as frame embedding, the attacker can position transparent or opaque layers over the legitimate interface elements. This manipulation allows users to unknowingly interact with malicious components while believing they are performing routine actions on the intended application. The vulnerability specifically affects the application's ability to control its presentation context and user interaction flow, creating a dangerous mismatch between user expectations and actual system behavior.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass potential complete system compromise. Users may be tricked into performing actions such as transferring funds, modifying sensitive data, changing account settings, or executing administrative commands without realizing they are interacting with malicious overlays. The attack can be particularly insidious because users typically have no awareness of the underlying framing mechanism, making detection and prevention extremely challenging. Security professionals must consider that successful clickjacking attacks can lead to unauthorized transactions, data exfiltration, privilege escalation, and persistent access to compromised user accounts, all while maintaining the appearance of normal application usage.
Effective mitigation strategies for CVE-2025-27455 require implementing robust defensive measures that address the root cause of the vulnerability. The primary solution involves deploying the X-Frame-Options HTTP response header with appropriate values such as DENY or SAMEORIGIN to prevent the application from being embedded in external frames. Additionally, implementing Content Security Policy (CSP) directives with frame-ancestors directives provides more granular control over which domains can embed the application. The application should also incorporate frame-busting JavaScript techniques as a secondary defense mechanism, though this approach is less reliable than proper HTTP headers. Security teams must also consider implementing user interface controls that detect and alert users to potential clickjacking attempts, particularly for high-risk operations that involve sensitive data or administrative functions. These controls align with the ATT&CK framework's T1059.001 technique for user execution and T1548.001 for privilege escalation, demonstrating the comprehensive nature of the threat landscape that clickjacking vulnerabilities create.