Arbitrary File Upload Vulnerability in KingComposer Plugin for WordPress
CVE-2020-36701

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Page Builder: Kingcomposer – Free Drag And Drop Page Builder By King-theme
Vendor
CVE Published:
7 June 2023

What is CVE-2020-36701?

The KingComposer plugin for WordPress, versions up to and including 2.9.3, contains a vulnerability that allows authenticated users with author level permissions and higher to upload arbitrary files. This occurs through the 'process_bulk_action' function located in 'kingcomposer/includes/kc.extensions.php'. Such file uploads pose a significant risk as they can potentially lead to remote code execution on the server, compromising the integrity and security of the website.

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Deploy the Patch

Affected Version(s)

Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme * <= 2.9.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/wordpress-kingcomposer-page-b...
https://wordpress.org/plugins/kingcomposer/#developers

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
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