CVE-2026-39713

WordPress Mailercloud – Integrate webforms and synchronize website contacts plugin <= 1.0.7 - Broken Access Control vulnerability

5.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.20%Up 0.2 points since Apr 8, 2026

What each source reports

CVE List Score used 5.3

WordPress Mailercloud – Integrate webforms and synchronize website contacts plugin <= 1.0.7 - Broken Access Control vulnerability

Record: CVE-2026-39713
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-20424 5.3

Record: EUVD-2026-20424
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-295f-cjg2-fv68 5.3

Missing Authorization vulnerability in mailercloud Mailercloud – Integrate webforms and...

Record: GHSA-295f-cjg2-fv68
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 5.3

Record: CVE-2026-39713
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

mailercloud – integrate webforms and synchronize website contacts

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-39713 is a medium vulnerability (CVSS 5.3) in Mailercloud – Integrate Webforms And Synchronize Website Contacts, published April 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.