diff --git a/client/components/main/editor.js b/client/components/main/editor.js
index d47665dad..bd7260c2b 100644
--- a/client/components/main/editor.js
+++ b/client/components/main/editor.js
@@ -278,6 +278,8 @@ function mySafeAttrValue(tag, name, value, cssFilter) {
       /^aodroplink:/gi.test(value) ||
       /^onenote:/gi.test(value) ||
       /^file:/gi.test(value) ||
+      /^abasurl:/gi.test(value) ||
+      /^conisio:/gi.test(value) ||
       /^mailspring:/gi.test(value)
     ) {
       return value;
diff --git a/packages/markdown/src/template-integration.js b/packages/markdown/src/template-integration.js
index a56df5b16..464d0d765 100755
--- a/packages/markdown/src/template-integration.js
+++ b/packages/markdown/src/template-integration.js
@@ -18,6 +18,8 @@ function mySafeAttrValue(tag, name, value, cssFilter) {
         /^aodroplink:/ig.test(value) ||
         /^onenote:/ig.test(value) ||
         /^file:/ig.test(value) ||
+        /^abasurl:/ig.test(value) ||
+        /^conisio:/ig.test(value) ||
         /^mailspring:/ig.test(value)) {
       return value;
     }