# CVE-2017-15284: OctoberCMS Cross-Site Scripting

> An attacker can upload a malicious SVG avatar to execute JavaScript in the admin's browser, potentially leading to account takeover.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 12 Oct 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-gvgf-fp4m-2hw6

## What is CVE-2017-15284?

CVE-2017-15284 is a medium-severity cross-site scripting vulnerability in Octobercms October, published on 12 Oct 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Cross-Site Scripting exists in OctoberCMS 1.0.425 (aka Build 425), allowing a least privileged user to upload an SVG file containing malicious code as the Avatar for the profile. When this is opened by the Admin, it causes JavaScript execution in the context of the Admin account.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2017-15284?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `october/rain` | Packagist | All versions | 1.0.426 |
| `october/rain` | Packagist | All versions | 1.0.426 |

Products: Octobercms October.

## How do I fix CVE-2017-15284?

Upgrade october/rain to 1.0.426 or later.

## Is CVE-2017-15284 being exploited?

There is no known exploitation of CVE-2017-15284 in the wild and no public exploit code.

Public exploit code:

- OctoberCMS 1.0.425 (Build 425) - Cross-Site Scripting (exploitdb)

## 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-2017-15284 and fix it if it is affected.

What it is: CVE-2017-15284 is a medium-severity cross-site scripting vulnerability in Octobercms October, published on 12 Oct 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2017-15284 in the wild and no public exploit code.

Affected packages and fixed versions:
- october/rain (Packagist): affected all versions; fixed in 1.0.426
- october/rain (Packagist): affected all versions; fixed in 1.0.426

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-2017-15284/ (Markdown: https://insights.sbomify.com/CVE-2017-15284/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-15284
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-15284
- OSV: https://osv.dev/vulnerability/CVE-2017-15284

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-15284/
Summaries are generated and may contain mistakes; the official description above is the record.