# CVE-2015-7309: File upload in n/a

> Authenticated attackers can execute arbitrary code by renaming files with malicious extensions in the Bolt CMS theme editor.

- **Severity:** Medium 6.5 (`AV:N/AC:L/Au:S/C:P/I:P/A:P`)
- **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:** 22 Sep 2015
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-gfg2-33mf-746p

## What is CVE-2015-7309?

CVE-2015-7309 is a medium-severity vulnerability in n/a, published on 22 Sep 2015. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The theme editor in Bolt before 2.2.5 does not check the file extension when renaming files, which allows remote authenticated users to execute arbitrary code by renaming a crafted file and then directly accessing it.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2015-7309?

It affects 1 product.


Products: Boltcms Bolt.

## How do I fix CVE-2015-7309?

No fix has been published for CVE-2015-7309 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-7309 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-7309 exists.

Public exploit code:

- CMS Bolt File Upload Vulnerability (metasploit)
- CMS Bolt - Arbitrary File Upload (Metasploit) (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2022-31321](https://insights.sbomify.com/CVE-2022-31321/): Path traversal in n/a (critical 9.1)
- [CVE-2019-10874](https://insights.sbomify.com/CVE-2019-10874/): Bolt Cross Site Request Forgery (CSRF) (high 8.8)
- [CVE-2019-9185](https://insights.sbomify.com/CVE-2019-9185/): Bolt Unrestricted Upload of File with Dangerous Type (high 8.8)
- [CVE-2020-4040](https://insights.sbomify.com/CVE-2020-4040/): CSRF issue on preview pages in Bolt CMS (high 8.6)
- [CVE-2025-34086](https://insights.sbomify.com/CVE-2025-34086/): Bolt CMS Authenticated Remote Code Execution via Profile Injection and File Rename (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-7309 and fix it if it is affected.

What it is: CVE-2015-7309 is a medium-severity vulnerability in n/a, published on 22 Sep 2015. 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-2015-7309 exists.

Affected product: n/a. 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-2015-7309/ (Markdown: https://insights.sbomify.com/CVE-2015-7309/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-7309
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-7309
- OSV: https://osv.dev/vulnerability/CVE-2015-7309

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-7309/
Summaries are generated and may contain mistakes; the official description above is the record.