Backdrop CMS Link Iframe Formatter Module Cross-Site Scripting Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in the Link iframe formatter module for Backdrop CMS, specifically in versions 1.x prior to 1.x-1.1.1. The issue arises because the module fails to properly sanitize user input before displaying it, allowing for the potential injection of malicious scripts. This vulnerability can be exploited by users who have the ability to create content with an iFrame field.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to upgrade to the latest version of the Link iframe formatter module. The updated version can be downloaded from the Link iframe formatter module page on the Backdrop CMS website.