Bug ID 572558: Internet Explorer: incorrect handling of document.write() to closed document

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2

Opened: Feb 09, 2016
Severity: 3-Major


HTML page with document.write() operations inside event handlers may not be processed correctly. Internet Explorer may show error on this page.


HTML page is not shown at all or works incorrectly in Internet Explorer.


HTML page with document.write() calls inside event handlers or another scripts executed after document loading. Strings passed to document.write() function contain HTML tags with URL or another re-writable content in attributes.


No workaround known

Fix Information

Now HTML pages with document.write() calls for closed document are handled correctly by Portal Access.

Behavior Change