How severe is CVE-2016-20083?

CVE-2016-20083 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-20083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2016-20083?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2016-20083 have an EU (EUVD) identifier?

Yes. CVE-2016-20083 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10895.

When was CVE-2016-20083 published?

CVE-2016-20083 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2016-20083

CVE-2016-20083 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10895
Weakness: CWE-352
Published: 2026-06-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-20083?: CVE-2016-20083 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-20083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2016-20083?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2016-20083 have an EU (EUVD) identifier?: Yes. CVE-2016-20083 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10895.
When was CVE-2016-20083 published?: CVE-2016-20083 was published on 2026-06-15 and last updated on 2026-06-17.

References

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