2 files changed, 17 insertions, 1 deletions
diff --git a/modules/markup/html.go b/modules/markup/html.go
index 5ddd478ed6..f279e23bff 100644
--- a/modules/markup/html.go
+++ b/modules/markup/html.go
@@ -781,7 +781,7 @@ func fullIssuePatternProcessor(ctx *RenderContext, node *html.Node) {
 
 		// extract repo and org name from matched link like
 		// http://localhost:3000/gituser/myrepo/issues/1
-		linkParts := strings.Split(path.Clean(link), "/")
+		linkParts := strings.Split(link, "/")
 		matchOrg := linkParts[len(linkParts)-4]
 		matchRepo := linkParts[len(linkParts)-3]
 
diff --git a/modules/markup/html_test.go b/modules/markup/html_test.go
index dff9102bed..3eb2df00a9 100644
--- a/modules/markup/html_test.go
+++ b/modules/markup/html_test.go
@@ -5,6 +5,7 @@
 package markup_test
 
 import (
+	"io"
 	"strings"
 	"testing"
 
@@ -526,3 +527,18 @@ func BenchmarkEmojiPostprocess(b *testing.B) {
 		assert.NoError(b, err)
 	}
 }
+
+func TestFuzz(t *testing.T) {
+	s := "t/l/issues/8#/../../a"
+	renderContext := RenderContext{
+		URLPrefix: "https://example.com/go-gitea/gitea",
+		Metas: map[string]string{
+			"user": "go-gitea",
+			"repo": "gitea",
+		},
+	}
+
+	err := PostProcess(&renderContext, strings.NewReader(s), io.Discard)
+
+	assert.NoError(t, err)
+}