codeql/javascript/ql/lib/semmle/javascript/security/dataflow/ReflectedXssQuery.qll

/**
 * Provides a taint-tracking configuration for reasoning about reflected
 * cross-site scripting vulnerabilities.
 */

import javascript
import ReflectedXssCustomizations::ReflectedXss

/**
 * A taint-tracking configuration for reasoning about XSS.
 */
class Configuration extends TaintTracking::Configuration {
  Configuration() { this = "ReflectedXss" }

  override predicate isSource(DataFlow::Node source) { source instanceof Source }

  override predicate isSink(DataFlow::Node sink) { sink instanceof Sink }

  override predicate isSanitizer(DataFlow::Node node) {
    super.isSanitizer(node) or
    node instanceof Sanitizer
  }

  override predicate isSanitizerGuard(TaintTracking::SanitizerGuardNode guard) {
    guard instanceof SanitizerGuard
  }
}