User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload

2019-05-02 00:00

Jerome Bruandet

Strategic Overview

Status

Patched in 20190426

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

Affected Version< 20190426

CVSS9.8Critical

CVECVE-2019-25138

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_check_images function in versions up to, and including, 20190312. 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 20190426, 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-2019-25138 https://www.wordfence.com/threat-intel/vulnerabilities/id/5a97877b-fb4d-4e87-bcff-56be65fee6ce

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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