CVE-2016-20083

WordPress More Fields Plugin 2.1 contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized actions by disabling CSRF token validation. Attackers can craft malicious web pages that trick logged-in administrators into adding or deleting custom fields and boxes on the Write/Edit page via POST and GET requests to the options-general.php endpoint.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-06-15

Last modified

2026-06-15

Weaknesses

CWE-352

Affected products

• More Fields (Henrikmelin)

References

• https://wordpress.org/support/plugin/more-fields
• https://www.exploit-db.com/exploits/39507
• https://www.vulncheck.com/advisories/wordpress-more-fields-plugin-cross-site-request-forgery