/** * @name Use of externally-controlled format string * @description Using external input in format strings can lead to garbled output. * @kind path-problem * @problem.severity warning * @security-severity 7.3 * @precision high * @id js/tainted-format-string * @tags security * external/cwe/cwe-134 */ import javascript import semmle.javascript.security.dataflow.TaintedFormatStringQuery import DataFlow::PathGraph from Configuration cfg, DataFlow::PathNode source, DataFlow::PathNode sink where cfg.hasFlowPath(source, sink) select sink.getNode(), source, sink, "Format string depends on a $@.", source.getNode(), "user-provided value"