# CVE-2022-3360: LearnPress < 4.1.7.2 - Unauthenticated PHP Object Injection via REST API

> Unauthenticated attackers can achieve remote code execution via PHP object injection in the REST API if they know site secrets.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Oct 2022
- **Updated:** 6 May 2025
- **Also known as:** GHSA-7h2h-qrhm-554p

## What is CVE-2022-3360?

CVE-2022-3360 is a high-severity unsafe deserialization vulnerability in Unknown LearnPress – WordPress LMS Plugin, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The LearnPress WordPress plugin before 4.1.7.2 unserialises user input in a REST API endpoint available to unauthenticated users, which could lead to PHP Object Injection when a suitable gadget is present, leadint to remote code execution (RCE). To successfully exploit this vulnerability attackers must have knowledge of the site secrets, allowing them to generate a valid hash via the wp_hash() function.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2022-3360?

It affects 1 product.


Products: Thimpress Learnpress.

## How do I fix CVE-2022-3360?

No fix has been published for CVE-2022-3360 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-3360 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3360 exists.

## Other vulnerabilities in Unknown LearnPress – WordPress LMS Plugin

- [CVE-2024-8522](https://insights.sbomify.com/CVE-2024-8522/): LearnPress – WordPress LMS Plugin <= 4.2.7 - Unauthenticated SQL Injection via 'c_only_fields' (critical 10.0)
- [CVE-2024-8529](https://insights.sbomify.com/CVE-2024-8529/): LearnPress – WordPress LMS Plugin <= 4.2.7 - Unauthenticated SQL Injection via 'c_fields' (critical 10.0)
- [CVE-2022-45808](https://insights.sbomify.com/CVE-2022-45808/): WordPress LearnPress Plugin <= 4.1.7.3.2 is vulnerable to SQL Injection (critical 9.9)
- [CVE-2024-4434](https://insights.sbomify.com/CVE-2024-4434/): LearnPress – WordPress LMS Plugin <= 4.2.6.5 - Unauthenticated Time-Based SQL Injection (critical 9.8)
- [CVE-2023-6567](https://insights.sbomify.com/CVE-2023-6567/): LearnPress <= 4.2.5.7 - Unauthenticated SQL Injection via order_by (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-3360 and fix it if it is affected.

What it is: CVE-2022-3360 is a high-severity unsafe deserialization vulnerability in Unknown LearnPress – WordPress LMS Plugin, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3360 exists.

Affected product: Unknown LearnPress – WordPress LMS Plugin. 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-2022-3360/ (Markdown: https://insights.sbomify.com/CVE-2022-3360/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-3360
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-3360
- OSV: https://osv.dev/vulnerability/CVE-2022-3360

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-3360/
Summaries are generated and may contain mistakes; the official description above is the record.