Contact Form 7 <= 3.5.2 - Arbitrary File Upload

2014-08-01 00:00

Eugene Dokukin

Strategic Overview

Status

Patched in 3.5.3

Affected PluginContact Form 7

Affected Version<= 3.5.2

CVSS9.8Critical

CVEN/A

View all Contact Form 7 vulnerabilities

Vulnerability Overview

The Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on contact form uploads in versions up to, and including, 3.5.2. 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 3.5.3, 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/92298f2d-aced-4177-b6e8-36e153e9c930

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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