CVE-2026-65472 MEDIUM

CVE-2026-65472: WordPress Kit (formerly ConvertKit) plugin <= 3.3.5 - Broken Access Control vulnerability

Vendor Kit
Product Kit (formerly ConvertKit)
Weakness CWE-862 · Missing authorization
Published July 23, 2026
Last update July 23, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Kit (formerly ConvertKit) <= 3.3.5 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Kit (formerly ConvertKit) versions up to 3.3.5 lack proper authorization checks, allowing unauthenticated attackers to modify data through the network. The vulnerability requires no user interaction and affects the integrity of stored information. Administrators should update to a version newer than 3.3.5 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Modify data in Kit without authentication or user interaction.

Potential impact on your site

04Site Impact

Unauthorized users can alter Kit data, potentially affecting campaigns, subscriber lists, or account settings.

Conditions required to exploit

05Prerequisites

Network access to the Kit instance; no authentication or user action required.

Key dates

06Disclosure timeline

July 23, 2026 CVE published