Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload

2020-06-15 00:00

Jerome Bruandet

Strategic Overview

Status

Patched in 2.9.4

Affected PluginPage Builder: KingComposer – Free Drag and Drop page builder by King-Theme

Affected Version<= 2.9.3

CVSS8.8High

CVECVE-2020-36701

View all Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme vulnerabilities

Vulnerability Overview

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Technical Analysis

REMEDIATION: Update to version 2.9.4, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2020-36701 https://www.wordfence.com/threat-intel/vulnerabilities/id/45a62dd0-386c-41b3-b8dd-ced443da9f92

CVSS Vector

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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