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21 lines
704 B
Plaintext
21 lines
704 B
Plaintext
//
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// Modern version of ReflectedXssWithCustomSanitizer_old.ql
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//
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import javascript
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import semmle.javascript.security.dataflow.ReflectedXss::ReflectedXss
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class IsVarNameSanitizer extends TaintTracking::AdditionalSanitizerGuardNode, DataFlow::CallNode {
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IsVarNameSanitizer() { getCalleeName() = "isVarName" }
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override predicate sanitizes(boolean outcome, Expr e) {
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outcome = true and
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e = getArgument(0).asExpr()
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}
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override predicate appliesTo(TaintTracking::Configuration cfg) { cfg instanceof Configuration }
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}
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from Configuration xss, Source source, Sink sink
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where xss.hasFlow(source, sink)
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select sink, "Cross-site scripting vulnerability due to $@.", source, "user-provided value"
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