CAPECattack pattern

CAPEC-587 Cross Frame Scripting (XFS)

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Abstraction
Detailed
Status
Draft
Typical severity
High
CAPEC version
3.9

Description

This attack pattern combines malicious Javascript and a legitimate webpage loaded into a concealed iframe. The malicious Javascript is then able to interact with a legitimate webpage in a manner that is unknown to the user. This attack usually leverages some element of social engineering in that an attacker must convinces a user to visit a web page that the attacker controls.

Prerequisites

• The user's browser must have vulnerabilities in its implementation of the same-origin policy. It allows certain data in a loaded page to originate from different servers/domains.

Consequences

• Confidentiality: Read Data

Mitigations

• Avoid clicking on untrusted links. • Employ techniques such as frame busting, which is a method by which developers aim to prevent their site being loaded within a frame.

Related

Child of · CAPEC (1)

Weakness · CWE (1)

  • CWE-1021 Improper Restriction of Rendered UI Layers or Frames weakness

Referenced by CWE · attack pattern (1)

  • CWE-1021 Improper Restriction of Rendered UI Layers or Frames weakness