WordPress plugin
Klaviyo security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
2Known vulnerabilities
- Critical0
- High0
- Medium2
- Low0
All Klaviyo vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.4 | Authenticated (Admin+) Stored Cross-Site Scripting ≤3.0.9Update to 3.0.10 | CVE-2023-0874 | |
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting ≤3.0.7Update to 3.0.8 | CVE-2023-25456 |
- Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤3.0.9Update to 3.0.10
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤3.0.7Update to 3.0.8
Klaviyo: common questions
Does Klaviyo have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Klaviyo: 2 medium. None are known to affect version null.
How do I check which version of Klaviyo 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 Klaviyo vulnerability?
CVE-2023-0874, published Mar 20, 2023: Klaviyo <= 3.0.9 - Authenticated (Admin+) Stored Cross-Site Scripting. Severity: Medium (CVSS 4.4).
Is any Klaviyo vulnerability listed in CISA KEV?
No. None of the known Klaviyo vulnerabilities is currently listed in the CISA KEV catalog.