Description
WordPress Plugin Custom Field Suite is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Custom Field Suite version 2.5.15 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.5.16 or latest
References
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Craft CMS Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2018-3814)