CVE-2016-20083 WordPress More Fields Plugin 2.1 Cross-Site Request Forgery
Attackers can trick administrators into modifying custom fields via CSRF, requiring a patched version of the More Fields plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-20083?
CVE-2016-20083 is a medium-severity vulnerability in henrikmelin More Fields, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-352
Which versions are affected by CVE-2016-20083?
How do I fix CVE-2016-20083?
No fix has been published for CVE-2016-20083 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-20083 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20083 exists.
Sources
Also known as GHSA-rrrg-9wf8-2ph2.