You're getting a 403 Forbidden because mod_security is flagging it. That's called a false positive. Your host needs to add an exception to their mod_security rules or I suppose you can if they give you enough access to do so.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
Read FAQ thoroughly
+
Read our Documentation
+
Search the forums CB links:
Documentation
-
Localization
-
CB Quickstart
-
CB Paid Subscriptions
-
Add-Ons
-
Forge
-- If you are a Professional, Developer, or CB Paid Subscriptions subscriber and have a support issue please always post in your respective support forums for best results!
-- If I've missed your support post with a delay of 3 days or greater and are a Professional, Developer, or CBSubs subscriber please
send me a private message
with your thread and will reply when possible!
-- Please note I am available Monday - Friday from 8:00 AM CST to 4:00 PM CST. I am away on weekends (Saturday and Sunday) and if I've missed your post on or before a weekend after business hours please wait for the next following business day (Monday) and will get to your issue as soon as possible, thank you.
-- My role here is to provide guidance and assistance. I cannot provide custom code for each custom requirement. Please do not inquire me about custom development.
The following user(s) said Thank You: MarlonFungai
The issue was caused by mod_evasive. There are two workarounds for this issue. The first is to add a DOSWhitelist entry for your IP address in /etc/apache2/conf.d/300-mod_evasive.conf. The second is to uninstall ea-apache24-mod_evasive. I recommend the first workaround. I temporarily whitelisted my IP address and confirmed that the plugins were updated.