Security Advisory

CVE-2025-11829

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-11-11 03:30:34

Last updated 2026-04-08 16:43:07

Assigner Wordfence

State PUBLISHED

Description

The Five9 Live Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the toolbar attribute of the [five9-chat] shortcode in all versions up to, and including, 1.1.2. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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