Shopp <= 1.4 - Unauthenticated Arbitrary File Upload

2021-08-17 00:00

Fellipe Oliveira

Strategic Overview

Status

Unpatched

Affected PluginShopp

Affected Version<= 1.4

CVSS9.8Critical

CVECVE-2021-24493

View all Shopp vulnerabilities

Vulnerability Overview

The shopp_upload_file AJAX action of the Shopp WordPress plugin through 1.4, available to both unauthenticated and authenticated user does not have any security measure in place to prevent upload of malicious files, such as PHP, allowing unauthenticated users to upload arbitrary files and leading to RCE

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- 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-2021-24493 https://www.wordfence.com/threat-intel/vulnerabilities/id/e83ad1b7-e7d6-41cd-87de-c98362e31879

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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