From cc1d6463478658a3bc5fa73091c05dfdafa3d984 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Do=C4=9Fan=20Can=20Bak=C4=B1r?=
 <dogancanbakir@protonmail.com>
Date: Mon, 13 Oct 2025 14:41:27 +0300
Subject: [PATCH] log failed expr compilations

---
 pkg/protocols/common/expressions/expressions.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/protocols/common/expressions/expressions.go b/pkg/protocols/common/expressions/expressions.go
index bd04cabf1..30a733395 100644
--- a/pkg/protocols/common/expressions/expressions.go
+++ b/pkg/protocols/common/expressions/expressions.go
@@ -4,6 +4,7 @@ import (
 	"strings"
 
 	"github.com/Knetic/govaluate"
+	"github.com/projectdiscovery/gologger"
 
 	"github.com/projectdiscovery/nuclei/v3/pkg/operators/common/dsl"
 	"github.com/projectdiscovery/nuclei/v3/pkg/protocols/common/marker"
@@ -56,10 +57,12 @@ func evaluate(data string, base map[string]interface{}) (string, error) {
 		// turns expressions (either helper functions+base values or base values)
 		compiled, err := govaluate.NewEvaluableExpressionWithFunctions(expression, dsl.HelperFunctions)
 		if err != nil {
+			gologger.Warning().Msgf("Failed to compile expression '%s': %v", expression, err)
 			continue
 		}
 		result, err := compiled.Evaluate(base)
 		if err != nil {
+			gologger.Warning().Msgf("Failed to evaluate expression '%s': %v", expression, err)
 			continue
 		}
 		// replace incrementally