CVE-2026-42659 MEDIUM

CVE-2026-42659: WordPress Advanced Form Integration plugin <= 1.126.12 - Broken Access Control vulnerability

Vendor Nasir Ahmed

Product Advanced Form Integration

Weakness CWE-862 · Missing authorization

Published June 15, 2026

Last update June 16, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Subscriber Broken Access Control in Advanced Form Integration <= 1.126.12 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Advanced Form Integration contains a missing authorization check that allows authenticated users to modify form data or settings they should not have access to. An attacker with a low-privilege account can change form configurations, submission data, or other protected resources without proper permission validation. This affects versions up to 1.126.12. Update to a version newer than 1.126.12 to resolve the issue.

What an attacker can do

03Attacker Capabilities

Modify form data or settings belonging to other users or restricted areas of the plugin.

Potential impact on your site

04Site Impact

Form data integrity compromised; unauthorized users can alter forms, submissions, or plugin settings.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; no user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

June 16, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-42659 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

Related vulnerabilities

Identifiers

CVE CVE-2026-42659

CWE CWE-862

CVSS 6.5 / MEDIUM

Affected versions