# CVE-2023-5314: WP EXtra <= 6.2 - Missing Authorization to Arbitrary Email Sending

> Authenticated attackers with minimal permissions can send arbitrary emails via the WP EXtra plugin due to missing capability checks.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Nov 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-h572-9c8v-9vqh

## What is CVE-2023-5314?

CVE-2023-5314 is a medium-severity missing authorization vulnerability in wpvncom WP EXtra – One Click Optimize, published on 22 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The WP EXtra plugin for WordPress is vulnerable to unauthorized access to restricted functionality due to a missing capability check on the 'test-email' section of the register() function in versions up to, and including, 6.2. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to send emails with arbitrary content to arbitrary locations from the affected site's mail server.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-5314?

It affects 1 product.


Products: Wpvnteam Wp Extra.

## How do I fix CVE-2023-5314?

No fix has been published for CVE-2023-5314 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5314 being exploited?

There is no known exploitation of CVE-2023-5314 in the wild and no public exploit code.

## Other vulnerabilities in wpvncom WP EXtra – One Click Optimize

- [CVE-2023-46623](https://insights.sbomify.com/CVE-2023-46623/): WordPress WP EXtra Plugin <= 6.2 is vulnerable to Remote Code Execution (RCE) (critical 9.9)
- [CVE-2023-5311](https://insights.sbomify.com/CVE-2023-5311/): WP EXtra <= 6.2 - Missing Authorization to .htaccess File Modification (high 8.8)
- [CVE-2023-46212](https://insights.sbomify.com/CVE-2023-46212/): WordPress WP EXtra Plugin <= 6.2 is vulnerable to Broken Access Control (medium 6.3)
- [CVE-2023-47825](https://insights.sbomify.com/CVE-2023-47825/): WordPress WP EXtra Plugin <= 6.4 is vulnerable to Cross Site Request Forgery (CSRF) (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5314 and fix it if it is affected.

What it is: CVE-2023-5314 is a medium-severity missing authorization vulnerability in wpvncom WP EXtra – One Click Optimize, published on 22 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5314 in the wild and no public exploit code.

Affected product: wpvncom WP EXtra – One Click Optimize. 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-2023-5314/ (Markdown: https://insights.sbomify.com/CVE-2023-5314/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5314
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5314
- OSV: https://osv.dev/vulnerability/CVE-2023-5314

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5314/
Summaries are generated and may contain mistakes; the official description above is the record.