# CVE-2023-44382: October CMS safe mode bypass using Twig sandbox escape

> Authenticated users with editor permissions can bypass safe mode via Twig sandbox escape to execute arbitrary PHP code.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-p8q3-h652-65vx

## What is CVE-2023-44382?

CVE-2023-44382 is a critical code injection vulnerability in Octobercms October, published on 1 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

October is a Content Management System (CMS) and web platform to assist with development workflow. An authenticated backend user with the `editor.cms_pages`, `editor.cms_layouts`, or `editor.cms_partials` permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to `cms.safe_mode` being enabled can write specific Twig code to escape the Twig sandbox and execute arbitrary PHP. This issue has been patched in 3.4.15.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2023-44382?

2 open source packages ship an affected version, including october/system. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `october/system` | Packagist | From 3.0.0 | 3.4.15 |
| `october/system` | Packagist | From 3.0.0 | 3.4.15 |

Products: Octobercms October.

## How do I fix CVE-2023-44382?

Upgrade october/system to 3.4.15 or later.

## Is CVE-2023-44382 being exploited?

There is no known exploitation of CVE-2023-44382 in the wild and no public exploit code.

## Other vulnerabilities in Octobercms October

- [CVE-2021-32648](https://insights.sbomify.com/CVE-2021-32648/): October CMS Improper Authentication (high 8.2, exploited in the wild)
- [CVE-2021-3311](https://insights.sbomify.com/CVE-2021-3311/): October CMS Session ID not invalidated after logout (critical 9.8)
- [CVE-2017-1000194](https://insights.sbomify.com/CVE-2017-1000194/): October CMS File Upload Vulnerability (critical 9.8)
- [CVE-2017-1000196](https://insights.sbomify.com/CVE-2017-1000196/): Code injection in n/a (critical 9.8)
- [CVE-2017-1000197](https://insights.sbomify.com/CVE-2017-1000197/): Path traversal in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-44382 and fix it if it is affected.

What it is: CVE-2023-44382 is a critical code injection vulnerability in Octobercms October, published on 1 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-44382 in the wild and no public exploit code.

Affected packages and fixed versions:
- october/system (Packagist): affected from 3.0.0; fixed in 3.4.15
- october/system (Packagist): affected from 3.0.0; fixed in 3.4.15

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-2023-44382/ (Markdown: https://insights.sbomify.com/CVE-2023-44382/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-44382
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-44382
- OSV: https://osv.dev/vulnerability/CVE-2023-44382

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-44382/
Summaries are generated and may contain mistakes; the official description above is the record.