Description

WordPress Plugin Page Builder:KingComposer-Free Drag and Drop page builder by King-Theme 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 Page Builder:KingComposer-Free Drag and Drop page builder by King-Theme version 2.7.4 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.7.5 or latest

References

https://www.pluginvulnerabilities.com/2018/05/16/our-proactive-monitoring-caught-a-newly-introduced-arbitrary-file-upload-vulnerability-in-a-plugin-with-50000-active-installations/

https://plugins.svn.wordpress.org/kingcomposer/trunk/readme.txt

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Severity

High

Classification

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

Tags

Missing Update Unauthenticated File Upload