CVE-2023-1430

FluentCRM - Marketing Automation For WordPress <= 2.8.01 - Insufficient Use of Hash as Authorization Control

2023-06-01 00:00

Strategic Overview

Status: Patched in 2.8.02
Affected Plugin: FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution
Affected Version: <= 2.8.0.1
CVSS: 6.5Medium
Weakness type: CWE-759 · Use of a One-Way Hash without a Salt
CVE: CVE-2023-1430

View all FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution vulnerabilities

At a glance

CVE-2023-1430 is a medium-severity Use of a One-Way Hash without a Salt vulnerability in the FluentCRM WordPress plugin, affecting versions <= 2.8.0.1. It carries a CVSS score of 6.5 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 2.8.02; sites on affected versions should update now. Disclosed June 2023, reported by Karl Emil Nikka.

Vulnerability Overview

The FluentCRM - Marketing Automation For WordPress plugin for WordPress is vulnerable to unauthorized modification of data in versions up to, and including, 2.8.01 due to the use of an MD5 hash without a salt to control subscriptions. This makes it possible for unauthenticated attackers to unsubscribe users from lists and manage subscriptions, granted they gain access to any targeted subscribers email address.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-759: Use of a One-Way Hash without a Salt

The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the product does not also use a salt as part of the input.

Remediation

Update to version 2.8.02, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: FluentCRM 2.8.02 closes this, and updating the plugin is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-1430 https://www.wordfence.com/threat-intel/vulnerabilities/id/de6da87e-8f7d-4120-8a1b-390ef7733d84 https://nvd.nist.gov/vuln/detail/CVE-2023-1430

Related records

Other vulnerabilities in FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution

CVSS Vector

6.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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