Steps to reproduce the issue

• Log in at the backend.
• Go to the Control Panel -> Logged-in Users
• Log in at the frontend.
• Look at the source code in the backend.

Expected result

See source code:

....<span class="element-invisible">Log out</span></span>

Actual result

See source code:

....<span class="element-invisible">Log out"></span></span>

Look specially at

>Log out"></span>

(see ">)

System information (as much as possible)

File:

..\Joomla\administrator\modules\mod_logged\tmpl\default.php

Line 20:

<span class="icon-remove icon-white" aria-hidden="true"><span class="element-invisible"><?php echo JText::_('JLOGOUT'); ?>"></span></span>

Should (possible) be:

<span class="icon-remove icon-white" aria-hidden="true"><span class="element-invisible"><?php echo JText::_('JLOGOUT'); ?></span></span> 

Delete: ">

Additional comments

Joomla 3.7.4 - mod_logged (admin)