diff --git a/Build/Sources/TypeScript/backend/tree/tree.ts b/Build/Sources/TypeScript/backend/tree/tree.ts
index 59741e47c0c44a38c8fe62e2ca573b637c8b8d51..f8295ea40f17715d3a0bc8faabd5ebc37c8f9274 100644
--- a/Build/Sources/TypeScript/backend/tree/tree.ts
+++ b/Build/Sources/TypeScript/backend/tree/tree.ts
@@ -1038,7 +1038,8 @@ export class Tree extends LitElement {
     labelNode.textContent = label;
     label = labelNode.innerHTML;
     if (this.searchTerm) {
-      const regexp = new RegExp(this.searchTerm, 'gi');
+      // Escape all meta characters of regular expressions: ( ) [ ] $ * + ? . { } / | ^ -
+      const regexp = new RegExp(this.searchTerm.replace(/[/\-\\^$*+?.()|[\]{}]/g, '\\$&'), 'gi');
       label = label.replace(regexp, '<span class="node-highlight-text">$&</span>');
     }
 
diff --git a/typo3/sysext/backend/Resources/Public/JavaScript/tree/tree.js b/typo3/sysext/backend/Resources/Public/JavaScript/tree/tree.js
index 20ddb7d8431b7ee5825f57b8eed806287377cfc0..8565bc1595788d50c1bbd1e9c58c9b46ec1e4899 100644
--- a/typo3/sysext/backend/Resources/Public/JavaScript/tree/tree.js
+++ b/typo3/sysext/backend/Resources/Public/JavaScript/tree/tree.js
@@ -108,7 +108,7 @@ var __decorate=function(e,t,i,o){var s,n=arguments.length,r=n<3?t:null===o?o=Obj
             size="small"
           ></typo3-backend-icon>
         </span>
-        `:html`${nothing}`}createNodeContentLabel(e){let t=(e.prefix||"")+e.name+(e.suffix||"");const i=document.createElement("div");if(i.textContent=t,t=i.innerHTML,this.searchTerm){const e=new RegExp(this.searchTerm,"gi");t=t.replace(e,'<span class="node-highlight-text">$&</span>')}return html`
+        `:html`${nothing}`}createNodeContentLabel(e){let t=(e.prefix||"")+e.name+(e.suffix||"");const i=document.createElement("div");if(i.textContent=t,t=i.innerHTML,this.searchTerm){const e=new RegExp(this.searchTerm.replace(/[/\-\\^$*+?.()|[\]{}]/g,"\\$&"),"gi");t=t.replace(e,'<span class="node-highlight-text">$&</span>')}return html`
       <div class="node-contentlabel">
       <div class="node-name" .innerHTML="${t}"></div>
       ${e.note?html`<div class="node-note">${e.note}</div>`:nothing}