WordPress plugin
Five9 Live Chat security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Five9 Live Chat vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤1.1.2No patch available | CVE-2025-11829 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.1.2No patch available
Five9 Live Chat: common questions
Does Five9 Live Chat have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Five9 Live Chat: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Five9 Live Chat I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Five9 Live Chat vulnerability?
CVE-2025-11829, published Nov 10, 2025: Five9 Live Chat <= 1.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Five9 Live Chat vulnerability listed in CISA KEV?
No. None of the known Five9 Live Chat vulnerabilities is currently listed in the CISA KEV catalog.