# CVE-2023-3345: LMS by Masteriyo < 1.6.8 - Information Exposure

> Students can retrieve other students' email addresses due to missing authorization in REST API endpoints.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:** 31 Jul 2023
- **Updated:** 30 Aug 2024
- **Also known as:** GHSA-2xrx-pwqh-wmrm

## What is CVE-2023-3345?

CVE-2023-3345 is a medium-severity missing authorization vulnerability in Unknown LMS by Masteriyo, published on 31 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The LMS by Masteriyo WordPress plugin before 1.6.8 does not have proper authorization in one some of its REST API endpoints, making it possible for any students to retrieve email addresses of other students

## Which versions are affected by CVE-2023-3345?

It affects 1 product.


Products: Themegrill Masteriyo.

## How do I fix CVE-2023-3345?

No fix has been published for CVE-2023-3345 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3345 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3345 exists.

Public exploit code:

- LMS by Masteriyo < 1.6.8 - Information Exposure (nuclei): http/cves/2023/CVE-2023-3345.yaml

## Other vulnerabilities in Unknown LMS by Masteriyo

- [CVE-2024-24882](https://insights.sbomify.com/CVE-2024-24882/): WordPress LMS by Masteriyo plugin <= 1.7.2 - Privilege Escalation vulnerability (critical 9.8)
- [CVE-2024-33939](https://insights.sbomify.com/CVE-2024-33939/): WordPress LMS by Masteriyo plugin <= 1.7.3 - Broken Authentication vulnerability (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3345 and fix it if it is affected.

What it is: CVE-2023-3345 is a medium-severity missing authorization vulnerability in Unknown LMS by Masteriyo, published on 31 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3345 exists.

Affected product: Unknown LMS by Masteriyo. 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-2023-3345/ (Markdown: https://insights.sbomify.com/CVE-2023-3345/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3345
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3345
- OSV: https://osv.dev/vulnerability/CVE-2023-3345

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3345/
Summaries are generated and may contain mistakes; the official description above is the record.