added initial commit

background.js

@@ -0,0 +1,53 @@
+// adapted from heavily from: 
+// https://medium.com/bugbountywriteup/sputnik-an-open-source-intelligence-browser-extension-da2f2c22c8ec
+// https://github.com/mitchmoser/sputnik
+
+browser.contextMenus.create({
+    id: "CVE Search",
+    title: "CVE Search",
+    contexts: ["selection"]
+});
+
+browser.contextMenus.create({
+    id: "NVD",
+    title: "NVD",
+    contexts: ["selection"],
+    parentId: "CVE Search",
+    icons: {
+        "48": "icons/nvd_48.png"
+    }
+});
+
+browser.contextMenus.create({
+    id: "MITRE",
+    title: "MITRE",
+    contexts: ["selection"],
+    parentId: "CVE Search",
+    icons: {
+        "48": "icons/mitre_48.png"
+    }
+});
+
+// create empty url variable
+var url = ""
+
+/*
+ * The click event listener: 
+ * where we perform the approprate action 
+ * given the ID of the menu item that was clicked
+ */
+
+browser.contextMenus.onClicked.addListener((info, tab) => {
+    // copy the selection to clipboard
+    navigator.clipboard.writeText(info.selectionText);
+
+    switch (info.menuItemId) {
+            case "NVD":
+                url = "https://nvd.nist.gov/vuln/detail/"+info.selectionText;
+                break;
+            case "MITRE":
+                url = "https://cve.mitre.org/cgi-bin/cvename.cgi?name="+info.selectionText;
+                break;
+                    }
+    browser.tabs.create({url: url});
+});

manifest.json

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+{
+
+  "manifest_version": 2,
+  "name": "CVE Searcher",
+  "version": "1.0",
+
+  "description": "Search a piece of highlighted text in either nvd.nist.gov or cve.mitre.org",
+
+  "icons": {
+    "48": "icons/logo_48.png"
+  },
+  "permissions": [
+      "clipboardWrite",
+      "contextMenus",
+      "menus"
+  ],
+  "background": {
+      "scripts": ["background.js"]
+  }
+
+}