Redirection for Contact Form 7 <= 2.3.3 - Unauthenticated Arbitrary Nonce Generation

2021-04-20 00:00

Chloe Chamberland

Strategic Overview

Status

Patched in 2.3.4

Affected PluginRedirection for Contact Form 7

Affected Version< 2.3.4

CVSS7.5High

CVECVE-2021-24278

View all Redirection for Contact Form 7 vulnerabilities

Vulnerability Overview

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.

Technical Analysis

REMEDIATION: Update to version 2.3.4, or a newer patched version --- IDENTIFIER: CWE-863 (Incorrect Authorization) The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24278 https://www.wordfence.com/threat-intel/vulnerabilities/id/773ed184-1478-417d-9a57-93f3971d4bc8

CVSS Vector

7.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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