User Submitted Posts <= 20230902 - Unauthenticated Arbitrary File Upload

2023-10-10 00:00

Rafie Muhammad

Strategic Overview

Status

Patched in 20230914

Affected PluginUser Submitted Posts – Enable Users to Submit Posts from the Front End

Affected Version<= 20230902

CVSS9.8Critical

CVECVE-2023-45603

View all User Submitted Posts – Enable Users to Submit Posts from the Front End vulnerabilities

Vulnerability Overview

The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_attach_images function in versions up to, and including, 20230902. This makes it possible for unauthenticatedattackers to upload arbitrary files as long as the extension does not contain 'php' on the affected site's server which may make remote code execution possible.

Technical Analysis

REMEDIATION: Update to version 20230914, 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-2023-45603 https://www.wordfence.com/threat-intel/vulnerabilities/id/babbe506-3abd-462a-b5b8-5979696eb6e6

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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