diff --git a/src/webview/leetCodePreviewProvider.ts b/src/webview/leetCodePreviewProvider.ts
index 1bd83e69..03a12e19 100644
--- a/src/webview/leetCodePreviewProvider.ts
+++ b/src/webview/leetCodePreviewProvider.ts
@@ -101,6 +101,7 @@ class LeetCodePreviewProvider extends LeetCodeWebview {
             <!DOCTYPE html>
             <html>
             <head>
+                <meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src https:; script-src vscode-resource: 'unsafe-inline'; style-src vscode-resource: 'unsafe-inline';"/>
                 ${markdownEngine.getStyles()}
                 ${!this.sideMode ? button.style : ""}
                 <style>
diff --git a/src/webview/leetCodeSolutionProvider.ts b/src/webview/leetCodeSolutionProvider.ts
index 59c548d6..d888b3bd 100644
--- a/src/webview/leetCodeSolutionProvider.ts
+++ b/src/webview/leetCodeSolutionProvider.ts
@@ -50,6 +50,7 @@ class LeetCodeSolutionProvider extends LeetCodeWebview {
             <!DOCTYPE html>
             <html>
             <head>
+                <meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src https:; script-src vscode-resource:; style-src vscode-resource:;"/>
                 ${styles}
             </head>
             <body class="vscode-body 'scrollBeyondLastLine' 'wordWrap' 'showEditorSelection'" style="tab-size:4">
diff --git a/src/webview/leetCodeSubmissionProvider.ts b/src/webview/leetCodeSubmissionProvider.ts
index 689c3a2f..f717a38a 100644
--- a/src/webview/leetCodeSubmissionProvider.ts
+++ b/src/webview/leetCodeSubmissionProvider.ts
@@ -28,6 +28,7 @@ class LeetCodeSubmissionProvider extends LeetCodeWebview {
         return `<!DOCTYPE html>
             <html lang="en">
             <head>
+                <meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src https:; script-src vscode-resource:; style-src vscode-resource:;"/>
                 <meta charset="UTF-8">
                 <meta name="viewport" content="width=device-width, initial-scale=1.0">
                 ${markdownEngine.getStyles()}
