# CVE-2023-52233: WordPress POST SMTP Mailer plugin <= 2.8.6 - Broken Access Control on API vulnerability

> Attackers can bypass authorization checks to access restricted API endpoints in the Post SMTP Mailer WordPress plugin.

- **Severity:** High 8.6 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Jun 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-6vjr-4r2m-7pgg

## What is CVE-2023-52233?

CVE-2023-52233 is a high-severity missing authorization vulnerability in Post SMTP Mailer/Email Log, published on 11 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-52233?

It affects 1 product.


Products: Wpexperts Post Smtp.

## How do I fix CVE-2023-52233?

No fix has been published for CVE-2023-52233 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-52233 being exploited?

There is no known exploitation of CVE-2023-52233 in the wild and no public exploit code.

## Other vulnerabilities in Post SMTP Mailer/Email Log

- [CVE-2023-6875](https://insights.sbomify.com/CVE-2023-6875/): Auth bypass in Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App (critical 9.8)
- [CVE-2023-3179](https://insights.sbomify.com/CVE-2023-3179/): POST SMTP Mailer < 2.5.7 - Account Takeover via CSRF (high 8.8)
- [CVE-2024-52436](https://insights.sbomify.com/CVE-2024-52436/): WordPress Post SMTP plugin <= 2.9.9 - SQL Injection vulnerability (high 7.6)
- [CVE-2025-0521](https://insights.sbomify.com/CVE-2025-0521/): Post SMTP <= 3.0.2 - Unauthenticated Stored Cross-Site Scripting (high 7.2)
- [CVE-2024-5207](https://insights.sbomify.com/CVE-2024-5207/): SQL injection in Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-52233 and fix it if it is affected.

What it is: CVE-2023-52233 is a high-severity missing authorization vulnerability in Post SMTP Mailer/Email Log, published on 11 Jun 2024. 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-2023-52233 in the wild and no public exploit code.

Affected product: Post SMTP Mailer/Email Log. 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-2023-52233/ (Markdown: https://insights.sbomify.com/CVE-2023-52233/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-52233
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-52233
- OSV: https://osv.dev/vulnerability/CVE-2023-52233

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-52233/
Summaries are generated and may contain mistakes; the official description above is the record.