WooCommerce Help Scout <= 2.9.1 - Arbitrary File Upload to Remote Code Execution

2021-03-21 00:00

Ville Korhonen / Seravo

Strategic Overview

Status

Patched in 2.9.2

Affected PluginWooCommerce Help Scout

Affected Version<= 2.9.1

CVSS9.8Critical

CVECVE-2021-24212

View all WooCommerce Help Scout vulnerabilities

Vulnerability Overview

The WooCommerce Help Scout WordPress plugin before 2.9.1 (https://woocommerce.com/products/woocommerce-help-scout/) allows unauthenticated users to upload any files to the site which by default will end up in wp-content/uploads/hstmp.

Technical Analysis

REMEDIATION: Update to version 2.9.2, 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-2021-24212 https://www.wordfence.com/threat-intel/vulnerabilities/id/5f98f4b3-8cce-45dd-a138-5f2c8031fab5

CVSS Vector

9.8

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

Base

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

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