Solution: Identify the Vulnerability
Review the solution to the challenge.
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Solution
The vulnerability is present in the react-bootstrap-table
package, specifically in how the dataFormat
method works.
Here’s a line-by-line explanation of your React component, productTable.js
, which renders a table with escaped HTML content to prevent XSS attacks:
Lines 1–2: We import the React library, which is necessary for defining React components and using JSX. We also import the
BootstrapTable
andTableHeaderColumn
components fromreact-bootstrap-table
. These components are used to render a styled table easily.Lines 4–11: We implement the
escapeHtml
function, which takes a potentially unsafe string as an argument. Each.replace
replaces specific special characters in the string with their corresponding HTML entities, preventing the browser from interpreting them as HTML or script code. This process effectively sanitizes the string so that it can be safely rendered in the DOM. ...