CVE-2026-27954

Live Helper Chat is affected up to version 4.52. The flaw arises in three chat action endpoints (holdaction.php, blockuser.php, transferchat.php) which load chat objects by ID without calling erLhcoreClassChat::hasAccessToRead(), enabling operators with holduse, allowblockusers, or allowtransfer ...

CVE-2026-27954 LiveHelperChat has department-level authorization bypass in holdaction, blockuser, and transferchat endpoints

Live Helper Chat is an open-source application that enables live support websites. In versions up to and including 4.52, three chat action endpoints holdaction.php, blockuser.php, and transferchat.php load chat objects by ID without calling erLhcoreClassChat::hasAccessToRead, allowing operators t...