# CVE-2023-1430: FluentCRM - Marketing Automation For WordPress <= 2.8.01 - Insufficient Use of Hash as Authorization Control

> Unauthenticated attackers can unsubscribe users and manage subscriptions by exploiting unsalted MD5 hashes if they know the target's email address.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Jun 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-mwm9-j9xx-52cw

## What is CVE-2023-1430?

CVE-2023-1430 is a medium-severity missing authorization vulnerability in techjewel FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution, published on 9 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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.

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

## Which versions are affected by CVE-2023-1430?

It affects 1 product.


Products: Wpmanageninja Fluentcrm.

## How do I fix CVE-2023-1430?

No fix has been published for CVE-2023-1430 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1430 being exploited?

There is no known exploitation of CVE-2023-1430 in the wild and no public exploit code.

Public exploit code:

- Responsible disclosure of unpatched vulnerability in FluentCRM by WPManageNinja (github_poc): https://github.com/karlemilnikka/CVE-2023-1430

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

- [CVE-2024-30430](https://insights.sbomify.com/CVE-2024-30430/): WordPress FluentCRM plugin <= 2.8.44 - Cross Site Scripting (XSS) vulnerability (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1430 and fix it if it is affected.

What it is: CVE-2023-1430 is a medium-severity missing authorization vulnerability in techjewel FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution, published on 9 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1430 in the wild and no public exploit code.

Affected product: techjewel FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-1430/ (Markdown: https://insights.sbomify.com/CVE-2023-1430/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1430
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1430
- OSV: https://osv.dev/vulnerability/CVE-2023-1430

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-1430/
Summaries are generated and may contain mistakes; the official description above is the record.