Prevent HTTP parameter pollution
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ID: java-security/http-parameter-pollution
Language: Java
Severity: Warning
Category: Security
Description
Do not concatenate HTTP parameters. Instead, use a proper API to set each parameter.
Learn More
Non-Compliant Code Examples
class Main {
public void myMethod() {
String input = request.getParameter("lang");
GetMethod get = new GetMethod("https://api.endoint/path/to/api");
get.setQueryString("param1=" + param1Value);
if (true) {
get.setQueryString("param1=" + param1Value);
} else {
get.setQueryString("param1=" + param1Value);
}
get.execute();
}
}
Compliant Code Examples
class Main {
public void myMethod() {
URIBuilder uriBuilder = new URIBuilder("https://api.endoint/path/to/api");
uriBuilder.addParameter("param1", param1Value);
HttpGet httpget = new HttpGet(uriBuilder.build().toString());
}
}
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