Create Block Theme <= 1.2.1 - Unauthenticated Arbitrary File Upload

2022-10-05 00:00

Anonymous

Strategic Overview

Status

Patched in 1.2.2

Affected PluginCreate Block Theme

Affected Version<= 1.2.1

CVSS9.8Critical

CVEN/A

View all Create Block Theme vulnerabilities

Vulnerability Overview

The Create Block Theme plugin for WordPress is vulnerable to arbitrary file uploads due to missing authorization via the save_local_fonts_to_theme function among others in versions up to, and including, 1.2.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Technical Analysis

REMEDIATION: Update to version 1.2.2, 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.wordfence.com/threat-intel/vulnerabilities/id/2637e273-a308-4033-be5a-2f778f8df282

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

This record contains material that is subject to copyright

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/