diff --git a/scripts/dashboard/bugtriage/index.html b/scripts/dashboard/bugtriage/index.html
index 7febd4dc..a9ccf2e7 100644
--- a/scripts/dashboard/bugtriage/index.html
+++ b/scripts/dashboard/bugtriage/index.html
@@ -484,6 +484,39 @@
 
   </script>
   <script>
+    // URLSearchParams subclass to make it easier to construct Bugzilla queries
+    class BZSearch extends URLSearchParams {
+      appendNotResolved() {
+        this.append("resolution", "---");
+      }
+
+      // appendQuery: add the specified field/operator/value as fN/oN/vN parameters.
+      appendQuery(field, operator, value) {
+        const index = this.nextFieldIndex();
+        this.append(`f${index}`, field);
+        this.append(`o${index}`, operator);
+        this.append(`v${index}`, value);
+      };
+
+      // appendOperator: add a logical operator (fN/vN) pair to the search
+      appendOperator(operator) {
+        const index = this.nextFieldIndex();
+        this.append(`f${index}`, "OP");
+        this.append(`j${index}`, operator);
+      };
+
+      // nextFieldIndex: return the next field number, searching for fields of the form f<int>.
+      nextFieldIndex() {
+        let max = -1;
+        for (const [key] of this) {
+          const match = /^f(\d+)$/.exec(key);
+          if (match)
+            max = Math.max(max, Number(match[1]));
+        }
+        return max + 1;
+      };
+    }
+
     const serverUrl = "https://bugzilla.yoctoproject.org";
 
     const ignoreProducts = [
@@ -604,7 +637,7 @@
     }
 
     function bugsByWhiteboard(keyword) {
-      const params = new URLSearchParams({
+      const params = new BZSearch({
         resolution: "---",
         status_whiteboard: keyword,
         status_whiteboard_type: "anywords",
@@ -613,7 +646,7 @@
     }
 
     function bugsByPriority(priority) {
-      const params = new URLSearchParams({
+      const params = new BZSearch({
         resolution: "---",
         priority: priority
       });
@@ -621,14 +654,14 @@
     }
 
     function bugsByStatus(status) {
-      const params = new URLSearchParams({
+      const params = new BZSearch({
         bug_status: status
       });
       return params;
     }
 
     function bugsInactive(operator) {
-      const params = new URLSearchParams({
+      const params = new BZSearch({
         resolution: "---",
         f1: "days_elapsed",
         o1: "greaterthaneq",
@@ -729,7 +762,7 @@
     async function bugsOldMilestone() {
       const activeMilestones = await activeMilestonesPromise;
 
-      const params = new URLSearchParams({
+      const params = new BZSearch({
         resolution: "---",
         f1: "target_milestone",
         o1: "notregexp",