CVE-2026-39436 HIGH

CVE-2026-39436: WordPress CformsII plugin <= 15.1.3 - Cross Site Request Forgery (CSRF) vulnerability

Vendor Bgermann

Product CformsII

Weakness CWE-352 · CSRF

Published May 25, 2026

Last update May 26, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in bgermann CformsII allows Cross Site Request Forgery. This issue affects CformsII: from n/a through 15.1.3.

Explanation of Vulnerability in Simple Terms

02Summary

CformsII through version 15.1.3 is vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without their knowledge. The vulnerability requires user interaction—the admin must visit the attacker's page—but can result in data modification or service disruption.

What an attacker can do

03Attacker Capabilities

Trick a logged-in admin into performing unwanted actions (modify data, disable features) by visiting a malicious webpage.

Potential impact on your site

04Site Impact

Administrators could unknowingly modify form settings, delete submissions, or alter site configuration if tricked into visiting a malicious link.

Conditions required to exploit

05Prerequisites

Admin must visit attacker-controlled webpage while logged into the site. No special privileges or complex setup required.

Key dates

06Disclosure timeline

May 25, 2026 CVE published

May 26, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39436 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/352.html AskarLabs — CWE-352 write-up Cross-Site Request Forgery

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