PatchSiren

Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat CVE published 2026-08-04

CVE-2026-16548

The Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat WordPress plugin before 1.8.2 does not validate the type, extension, content, or size of files submitted to its public response endpoint and stores them under the uploads directory, so an unauthenticated user can upload arbitrary files. The original extension is discarded (files are stored under a bare UUID [truncated]