From 8246706b762f9f9d04b4c356ba946d944a4dd5b8 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Mon, 4 May 2026 11:11:18 +0200
Subject: [PATCH] fix(media-tag): make attributes lower case before filtering
 out

---
 www/common/media-tag.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/www/common/media-tag.js b/www/common/media-tag.js
index ed022c6f2..29eafdffd 100644
--- a/www/common/media-tag.js
+++ b/www/common/media-tag.js
@@ -575,7 +575,7 @@ var factory = function (Util) {
     var copyAttributes = function (origin, dest) {
         Object.keys(origin.attributes).forEach(function (i) {
             if (!/^data-attr/.test(origin.attributes[i].name)) { return; }
-            var name = origin.attributes[i].name.slice(10);
+            var name = origin.attributes[i].name.slice(10).toLowerCase();
             // Ignore attributes filtered out by the sanitizer
             if (name === "src") { return; }
             if (name === "srcdoc") { return; }