CVE-2023-1430

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

6.5 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.80%Up 0.8 points since Jun 9, 2023

What each source reports

CVE List Score used 6.5

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

Record: CVE-2023-1430
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-759
Updated: 2026-11-02

EUVDEUVD-2023-23681 6.5

Record: EUVD-2023-23681
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mwm9-j9xx-52cw 5.3

The FluentCRM - Marketing Automation For WordPress plugin for WordPress is vulnerable to...

The FluentCRM - Marketing Automation For WordPress plugin for WordPress is vulnerable to unauthorized modification of data in versions up to, and including, 2.7.40 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.

Record: GHSA-mwm9-j9xx-52cw
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-759
Updated: 2026-11-02

NVD 6.5

Record: CVE-2023-1430
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1: 3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-759
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	karlemilnikka/CVE-2023-1430	2023-06-12

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-1430 is a medium vulnerability (CVSS 6.5) in Wpmanageninja Fluentcrm, published June 9, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.