diff --git a/deploy/package-lock.json b/deploy/package-lock.json
index 63b90188fc5fde7785300b8e12b07082d01d311a..ba5432458b504ab7a4e11b768a0d695442113ee7 100644
--- a/deploy/package-lock.json
+++ b/deploy/package-lock.json
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-            "y18n": "^4.0.0",
-            "yargs-parser": "^15.0.1"
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@@ -2460,14 +2311,12 @@
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@@ -2657,22 +2505,16 @@
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+      "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.2.0.tgz",
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@@ -2683,7 +2525,6 @@
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@@ -2692,7 +2533,6 @@
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@@ -2700,8 +2540,7 @@
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@@ -2711,9 +2550,9 @@
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-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
-      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ=="
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
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+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz",
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diff --git a/deploy/package.json b/deploy/package.json
index 914ac299243285c90541f6525650d42661137fba..f96b15c4c77473c9ec9874e57fd6638bce1100e4 100644
--- a/deploy/package.json
+++ b/deploy/package.json
@@ -30,7 +30,7 @@
     "rate-limit-redis": "^2.1.0",
     "redis": "^3.1.2",
     "request": "^2.88.2",
-    "showdown": "^1.9.1",
+    "showdown": "^2.0.0",
     "soswrap": "^0.0.2",
     "through2": "^3.0.1"
   },
@@ -40,7 +40,7 @@
     "cookie": "^0.4.0",
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     "dotenv": "^6.2.0",
-    "mocha": "^9.1.3",
+    "mocha": "^9.2.1",
     "nock": "^12.0.3",
     "sinon": "^8.0.2"
   }
diff --git a/docs/releases/v2.6.5.md b/docs/releases/v2.6.5.md
index 0026d7165ff104c7f0a47389cf9b61a2a867c43d..2b0b94c543e745dcbf701d1f2acb38862e5e5a4c 100644
--- a/docs/releases/v2.6.5.md
+++ b/docs/releases/v2.6.5.md
@@ -9,3 +9,4 @@
 ## Bugfix
 
 - saneUrl store now properly uses redis
+- updated several packages to fix potential security vulnerabilities
diff --git a/package-lock.json b/package-lock.json
index 411309acbba56f8527f9da524f518bbed3571a7f..24ee84409a285dfc60070c00adf12302cb436986 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "interactive-viewer",
-  "version": "2.6.4",
+  "version": "2.6.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2001,6 +2001,12 @@
         "jsonc-parser": "3.0.0"
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     },
+    "@socket.io/base64-arraybuffer": {
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+      "resolved": "https://registry.npmjs.org/@socket.io/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/@stencil/core/-/core-1.17.4.tgz",
@@ -2543,12 +2549,14 @@
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+      "dev": true,
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@@ -2894,12 +2902,6 @@
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@@ -3155,7 +3157,8 @@
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+      "dev": true
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@@ -3303,10 +3306,24 @@
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
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+          "dev": true,
+          "requires": {
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+            "is-fullwidth-code-point": "^2.0.0",
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@@ -3346,6 +3363,7 @@
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+      "dev": true,
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@@ -3353,7 +3371,8 @@
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-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
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@@ -4041,9 +4060,9 @@
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+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/date-format/-/date-format-4.0.3.tgz",
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@@ -4058,7 +4077,8 @@
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-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+      "dev": true
     },
     "decode-uri-component": {
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@@ -4382,7 +4402,8 @@
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+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "dev": true
     },
     "emojis-list": {
       "version": "3.0.0",
@@ -4427,9 +4448,9 @@
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-      "integrity": "sha512-ErhZOVu2xweCjEfYcTdkCnEYUiZgkAcBBAhW4jbIvNG8SLU3orAqoJCiytZjYF7eTpVmmCrLDjLIEaPlUAs1uw==",
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.1.3.tgz",
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@@ -4440,14 +4461,14 @@
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.0",
+        "engine.io-parser": "~5.0.3",
         "ws": "~8.2.3"
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-          "version": "0.4.1",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
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+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
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@@ -4459,12 +4480,12 @@
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+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.3.tgz",
+      "integrity": "sha512-BtQxwF27XUNnSafQLvDi0dQ8s3i6VgzSoQMJacpIcGNrlUdfHSKbgm3jmjCVvQluGzqwujQMPAoMai3oYSTurg==",
       "dev": true,
       "requires": {
-        "base64-arraybuffer": "~1.0.1"
+        "@socket.io/base64-arraybuffer": "~1.0.2"
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@@ -4662,8 +4683,7 @@
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-      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
-      "dev": true
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw=="
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@@ -5413,6 +5433,7 @@
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+      "dev": true,
       "requires": {
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+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
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+              "dev": true
+            },
+            "strip-ansi": {
+              "version": "5.2.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+              "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+              "dev": true,
+              "requires": {
+                "ansi-regex": "^4.1.0"
+              }
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           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -12576,7 +12631,8 @@
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-      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
+      "dev": true
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@@ -12603,10 +12659,24 @@
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+      "dev": true,
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         "ansi-styles": "^3.2.0",
         "string-width": "^3.0.0",
         "strip-ansi": "^5.0.0"
+      },
+      "dependencies": {
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        }
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@@ -12627,7 +12697,8 @@
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+      "dev": true
     },
     "yallist": {
       "version": "4.0.0",
@@ -12642,31 +12713,84 @@
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-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-14.2.3.tgz",
-      "integrity": "sha512-ZbotRWhF+lkjijC/VhmOT9wSgyBQ7+zr13+YLkhfsSiTriYsMzkTUFP18pFhWwBeMa5gUc1MzbhrO6/VB7c9Xg==",
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-        "decamelize": "^1.2.0",
-        "find-up": "^3.0.0",
-        "get-caller-file": "^2.0.1",
+      "version": "17.3.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.3.1.tgz",
+      "integrity": "sha512-WUANQeVgjLbNsEmGk20f+nlHgOqzRFpiGWVaBrYGYIGANIIu3lWjoyi0fNlFmJkvfhCZ6BXINe7/W2O2bV4iaA==",
+      "requires": {
+        "cliui": "^7.0.2",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^2.0.0",
-        "set-blocking": "^2.0.0",
-        "string-width": "^3.0.0",
-        "which-module": "^2.0.0",
-        "y18n": "^4.0.0",
-        "yargs-parser": "^15.0.1"
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+        },
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+          "requires": {
+            "color-convert": "^2.0.1"
+          }
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+        "cliui": {
+          "version": "7.0.4",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+          "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
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+            "string-width": "^4.2.0",
+            "strip-ansi": "^6.0.0",
+            "wrap-ansi": "^7.0.0"
+          }
+        },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
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+          }
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+        "color-name": {
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+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
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+        },
+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "requires": {
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+          }
+        },
+        "wrap-ansi": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+          "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+          "requires": {
+            "ansi-styles": "^4.0.0",
+            "string-width": "^4.1.0",
+            "strip-ansi": "^6.0.0"
+          }
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+        "y18n": {
+          "version": "5.0.8",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+          "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA=="
+        }
       }
     },
     "yargs-parser": {
-      "version": "15.0.3",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.3.tgz",
-      "integrity": "sha512-/MVEVjTXy/cGAjdtQf8dW3V9b97bPN7rNn8ETj6BmAQL7ibC7O1Q9SPJbGjgh3SlwoBNXMzj/ZGIj8mBgl12YA==",
-      "requires": {
-        "camelcase": "^5.0.0",
-        "decamelize": "^1.2.0"
-      }
+      "version": "21.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.0.0.tgz",
+      "integrity": "sha512-z9kApYUOCwoeZ78rfRYYWdiU/iNL6mwwYlkkZfJoyMR1xps+NEBX5X7XmRpxkZHhXJ6+Ey00IwKxBBSW9FIjyA=="
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diff --git a/package.json b/package.json
index 4ef7b728e472e70f049ec71e0eb77e7893154581..75826c222e0691790b3faac539f396e0a590bccf 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "eslint": "^7.32.0",
     "jasmine-core": "~3.8.0",
     "jasmine-marbles": "^0.8.3",
-    "karma": "~6.3.0",
+    "karma": "^6.3.16",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage": "~2.0.3",
     "karma-jasmine": "~4.0.0",
@@ -58,7 +58,7 @@
     "postcss": "^8.3.6",
     "raw-loader": "^4.0.2",
     "rxjs": "~6.6.0",
-    "showdown": "^1.9.1",
+    "showdown": "^2.0.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.11.4"
   }