MC4WP: Mailchimp for WordPress <= 4.8.4 - Open Redirect

2021-06-01 00:00

WPScanTeam

Strategic Overview

Status

Patched in 4.8.5

Affected PluginMC4WP: Mailchimp for WordPress

Affected Version<= 4.8.4

CVSS6.1Medium

CVEN/A

View all MC4WP: Mailchimp for WordPress vulnerabilities

Vulnerability Overview

The MC4WP: Mailchimp for WordPress for WordPress is vulnerable to Open Redirection via the '_redirect_to ' parameter in versions up to, and including, 4.8.4. This makes it possible for unauthenticated attackers to arbitrarily redirect administrators via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Technical Analysis

REMEDIATION: Update to version 4.8.5, or a newer patched version --- IDENTIFIER: CWE-601 (URL Redirection to Untrusted Site ('Open Redirect')) The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/dd7db465-ebeb-477b-b6c8-a9b89ba2372b

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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