diff --git a/addons/web_editor/static/src/js/editor/image_processing.js b/addons/web_editor/static/src/js/editor/image_processing.js
index 4c70a827802..2c688b62ca3 100644
--- a/addons/web_editor/static/src/js/editor/image_processing.js
+++ b/addons/web_editor/static/src/js/editor/image_processing.js
@@ -447,11 +447,24 @@ export async function loadImageInfo(img, rpc, attachmentSrc = '') {
         return;
     }
 
-    const {original} = await rpc('/web_editor/get_image_info', {src: src.split(/[?#]/)[0]});
-    // Check that url is local.
-    const isLocal = original && new URL(original.image_src, window.location.origin).origin === window.location.origin
-        && !/\/web\/image\/\d+-redirect\//.test(original.image_src);
-    if (isLocal && original.image_src) {
+    // Only consider the "relative" part of the URL. Needed because some
+    // relative URLs were wrongly converted to absolute URLs at some point and
+    // user domains could have been changed meanwhile.
+    let relativeSrc;
+    try {
+        const srcUrl = new URL(src);
+        relativeSrc = srcUrl.pathname;
+    } catch {
+        relativeSrc = src;
+    }
+    const {original} = await rpc('/web_editor/get_image_info', {src: relativeSrc.split(/[?#]/)[0]});
+    // If src was an absolute "external" URL, we consider unlikely that its
+    // relative part matches something from the DB and even if it does, nothing
+    // bad happens, besides using this random image as the original when using
+    // the options, instead of having no option.
+    // The "redirect" check is for when it is a redirect image attachment due to
+    // an external URL upload.
+    if (original && original.image_src && !/\/web\/image\/\d+-redirect\//.test(original.image_src)) {
         img.dataset.originalId = original.id;
         img.dataset.originalSrc = original.image_src;
         img.dataset.mimetype = original.mimetype;