What the vulnerability does
01Description
Missing Authorization vulnerability in mailercloud Mailercloud – Integrate webforms and synchronize website contacts mailercloud-integrate-webforms-synchronize-contacts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mailercloud – Integrate webforms and synchronize website contacts: from n/a through <= 1.0.7.
Explanation of Vulnerability in Simple Terms
02Summary
Mailercloud versions up to 1.0.7 lack proper authorization checks, allowing unauthenticated attackers to modify data through the web form integration. The vulnerability requires no user interaction and is remotely exploitable over the network. Site administrators should update to a version newer than 1.0.7 to restore access controls.
What an attacker can do
03Attacker Capabilities
Modify data in the Mailercloud integration without authentication.
Potential impact on your site
04Site Impact
Unauthorized changes to web form data and contact synchronization settings.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
April 8, 2026
CVE published
April 29, 2026
Record updated