Description

WordPress Plugin Meta Box-WordPress Custom Fields Framework is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Meta Box-WordPress Custom Fields Framework version 4.16.1 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 4.16.2 or latest

References

https://www.pluginvulnerabilities.com/2019/01/31/our-proactive-monitoring-caught-an-authenticated-arbitrary-file-upload-vulnerability-being-introduced-in-to-a-wordpress-plugin-with-300000/

https://github.com/wpmetabox/meta-box/blob/master/CHANGELOG.md

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Severity

High

Classification

CVE-2019-14794 CWE-434 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Unauthenticated File Upload