# CVE-2023-25365: October CMS Cross-site Scripting vulnerability

> A local attacker can execute arbitrary code via Cross Site Scripting in October CMS by uploading a malicious .mp3 file.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 8 Feb 2024
- **Updated:** 17 Jun 2025
- **Also known as:** GHSA-gcgj-qh8p-57hm

## What is CVE-2023-25365?

CVE-2023-25365 is a high-severity cross-site scripting vulnerability in Octobercms October, published on 8 Feb 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Cross Site Scripting vulnerability found in October CMS v.3.2.0 allows local attacker to execute arbitrary code via the file type .mp3

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-25365?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `october/october` | Packagist | All versions to 3.2.0 | None |
| `october/october` | Packagist | All versions to 3.2.0 | None |

Products: Octobercms October.

## How do I fix CVE-2023-25365?

No fix has been published for CVE-2023-25365 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-25365 being exploited?

There is no known exploitation of CVE-2023-25365 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-2023-25365 and fix it if it is affected.

What it is: CVE-2023-25365 is a high-severity cross-site scripting vulnerability in Octobercms October, published on 8 Feb 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-25365 in the wild and no public exploit code.

Affected packages and fixed versions:
- october/october (Packagist): affected all versions up to 3.2.0; no fix listed
- october/october (Packagist): affected all versions up to 3.2.0; no fix listed

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-2023-25365/ (Markdown: https://insights.sbomify.com/CVE-2023-25365/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-25365
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-25365
- OSV: https://osv.dev/vulnerability/CVE-2023-25365

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-25365/
Summaries are generated and may contain mistakes; the official description above is the record.