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Version 5.4.9 Causes Conflict with Amelia Booking Plugin

All-In-One Security (AIOS) – Security and Firewall · support · 2026-06-06T20:39:00+00:00

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marcinek28 unresolved
Updating the plugin to version 5.4.9 caused the calendar to stop displaying and prevented appointment bookings through the Booking for Appointments and Events Calendar – Amelia plugin. After reverting the plugin back to version 5.4.8 , the calendar and booking functionality started working correctly again. This clearly indicates a conflict between the 5.4.9 update and the Booking for Appointments and Events Calendar – Amelia plugin. Amelia plugin: https://wordpress.org/plugins/ameliabooking/ Hi @marcinek28 AIOS 5.4.9 have TEAK: Added a filter that validates POST requests containing UDRPC messages . It needs to check that plugin Booking for Appointments and Events Calendar – Amelia uses UDRPC? I will create an internal ticket to check this issue in detail. Regards Hi, I don’t know. I’ve forwarded this question to the Amelia developers. Hi @marcinek28 OK, please keep me posted on the response from the Amelia developers. I’ve created an internal ticket and will update you as soon as I receive any updates. Regards

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hjogiupdraftplus 2026-06-07T12:14:00+00:00

Hi @marcinek28 AIOS 5.4.9 have TEAK: Added a filter that validates POST requests containing UDRPC messages . It needs to check that plugin Booking for Appointments and Events Calendar – Amelia uses UDRPC? I will create an internal ticket to check this issue in detail. Regards

marcinek28 2026-06-08T06:49:00+00:00

Hi, I don’t know. I’ve forwarded this question to the Amelia developers.

hjogiupdraftplus 2026-06-09T05:23:00+00:00

Hi @marcinek28 OK, please keep me posted on the response from the Amelia developers. I’ve created an internal ticket and will update you as soon as I receive any updates. Regards