CVE-2016-20083

6.9 mediumEPSS 0.1%

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.

Severity

CVSS 4.0

6.9 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

CVSS 3.1

5.3 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2026-06-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

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