The Klaviyo WordPress plugin before 3.0.10 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 4.8 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N | 1.7 | 2.7 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| klaviyo | klavio | * |
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Klaviyo, Inc. Klaviyo plugin <= 3.0.7 versions.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 4.8 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N | 1.7 | 2.7 |
| audit@patchstack.com | 5.9 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L | 1.7 | 3.7 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| klaviyo | klaviyo | * |