Bug ID 758085: CAPTCHA Custom Response fails when using certain characters

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:

Opened: Feb 08, 2019
Severity: 4-Minor


When setting the CAPTCHA Custom Response in the Bot Defense GUI, saving the profile fails when using certain characters. For example, using the following response will return the error: 'black' unknown property This question is for testing whether you are a human visitor and to prevent automated spam submission. <p style="color: black; padding-right:20px"> <br> %BOTDEFENSE.captcha.image% %BOTDEFENSE.captcha.change% <br> <b>What code is in the image\?</b> %BOTDEFENSE.captcha.solution% <br> %BOTDEFENSE.captcha.submit% <br> <br> Your support ID is: %BOTDEFENSE.captcha.support_id%.


Cannot configure custom CAPTCHA response in the Bot Defense Profile GUI.


Attempting to configure custom CAPTCHA response in the Bot Defense profile GUI.


Use TMSH or REST API to configure the CAPTCHA Custom Response.

Fix Information


Behavior Change