TinyMCE Bug on media modification modal

[casshern83fr]

The function use setBaseAndExtent, make crash with version chrome 58, ​https://www.chromestatus.com/feature/5632500684554240

From dev version
tinymce\classes\dom\Selection.js

Line 644: 				// WebKit egde case selecting images works better using setBaseAndExtent when the image is floated
Line 645: 				if (!rng.collapsed && rng.startContainer == rng.endContainer && sel.setBaseAndExtent && !Env.ie) {
Line 650: 								sel.setBaseAndExtent(
Line 657: 								// Since the setBaseAndExtent is fixed in more recent Blink versions we
Line 662: 									sel.setBaseAndExtent(node, 0, node, 1);

tinymce\js\tinymce\tinymce.js (5 hits)

// WebKit egde case selecting images works better using setBaseAndExtent when the image is floated
Line 18266: 				if (!rng.collapsed && rng.startContainer == rng.endContainer && sel.setBaseAndExtent && !Env.ie) {
Line 18271: 								sel.setBaseAndExtent(
Line 18278: 								// Since the setBaseAndExtent is fixed in more recent Blink versions we
Line 18283: 									sel.setBaseAndExtent(node, 0, node, 1);
// WebKit egde case selecting images works better using setBaseAndExtent when the image is floated
Line 18266: 				if (!rng.collapsed && rng.startContainer == rng.endContainer && sel.setBaseAndExtent && !Env.ie) {
Line 18271: 								sel.setBaseAndExtent(
Line 18278: 								// Since the setBaseAndExtent is fixed in more recent Blink versions we
Line 18283: 									sel.setBaseAndExtent(node, 0, node, 1);

[ocean90]

Duplicate of #40305.

Hello @casshern83fr, welcome to WordPress Trac!

Thanks for your report. This issue will be fixed in WordPress 4.7.4, which ​release is planned for today.