Contact Form 7 <= 5.0.3 - Authorization Bypass

2018-09-04 00:00

Simon Scannell

Strategic Overview

Status

Patched in 5.0.4

Affected PluginContact Form 7

Affected Version< 5.0.4

CVSS6.3Medium

CVECVE-2018-20979

View all Contact Form 7 vulnerabilities

Vulnerability Overview

The Contact Form 7 plugin for WordPress is vulnerable to authorization bypass due to capability_type mishandling in register_post_type in versions up to, and including, 5.0.3. This makes it possible for authenticated attackers with contributor level privileges and above to modify contact forms and potential supply paths to sensitive files that make sensitive information disclosure possible.

Technical Analysis

REMEDIATION: Update to version 5.0.4, or a newer patched version --- IDENTIFIER: CWE-285 (Improper Authorization) The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2018-20979 https://www.wordfence.com/threat-intel/vulnerabilities/id/1814d2ad-73b1-4440-9cd6-7c5c569c4fb2

CVSS Vector

6.3

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

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