Easy Form Builder <= 1.0 - Arbitrary File Upload

2021-03-26 00:00

Jin Huang

Strategic Overview

Status

Unpatched

Affected PluginEasy Form Builder

Affected Version<= 1.0

CVSS8.8High

CVECVE-2021-24224

View all Easy Form Builder vulnerabilities

Vulnerability Overview

The EFBP_verify_upload_file AJAX action of the Easy Form Builder WordPress plugin through 1.0, available to authenticated users, does not have any security in place to verify uploaded files, allowing low privilege users to upload arbitrary files, 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-2021-24224 https://www.wordfence.com/threat-intel/vulnerabilities/id/1af5f7be-cfe2-4e0b-ae84-e44095644d84

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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