CVE-2023-25456 MEDIUM

CVE-2023-25456: WordPress Klaviyo Plugin <= 3.0.7 is vulnerable to Cross Site Scripting (XSS)

Vendor Klaviyo, Inc.
Product Klaviyo
Weakness CWE-79 · XSS
Published March 23, 2023
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Klaviyo, Inc. Klaviyo plugin <= 3.0.7 versions.

Key dates

02Disclosure timeline

March 23, 2023 CVE published
April 28, 2026 Record updated