Clickjacking, also known as a UI Redress Attack, is a client-side security vulnerability where an attacker tricks a user into clicking on a hidden or disguised element on a web page. By overlaying a transparent iframe containing a legitimate site over a malicious decoy page, the attacker “hijacks” the user’s clicks to perform unintended actions, such as transferring funds or changing account settings.
To secure your application against Clickjacking in 2026, follow this guide to identification, detection, and mitigation.
The Vulnerability Explained
Clickjacking, also known as a “UI redress,” is a malicious technique employed by attackers to deceive users into unintentionally performing actions on a website or application without their knowledge or consent. This form of attack exploits the trust users place in familiar interfaces by overlaying or disguising elements, thereby tricking individuals into clicking on hidden or disguised buttons, links, or other interactive components.
The primary objective of clickjacking is often to manipulate user behavior for malicious purposes such as stealing sensitive information, hijacking accounts, or executing unauthorized transactions.
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How Clickjacking Works
Clickjacking involves layering transparent or opaque elements over web content. Attackers craft a malicious webpage that embeds the target website within an iframe, an HTML element that allows one webpage to be embedded within another. By manipulating CSS styles and transparency settings, the attacker makes the embedded page invisible in the content. When a user visits this malicious page and interacts with what appears to be content, such as clicking a button, they are actually interacting with elements on the embedded target site.
The attacker uses social engineering techniques to convert users into visiting the malicious page.
Clickjacking Attacks Workflow
The typical workflow of a clickjacking attack involves several key steps:
- Iframe Embedding: The attacker creates a malicious page and embeds the target “victim” website inside an invisible