# CVE-2007-6237: Auth bypass in n/a

> Authenticated users can modify arbitrary account emails via cookie manipulation, enabling password resets and administrative access.

- **Severity:** Critical 9.0 (`AV:N/AC:L/Au:S/C:C/I:C/A:C`)
- **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:** 4 Dec 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-qpgw-76q4-xpfv

## What is CVE-2007-6237?

CVE-2007-6237 is a critical authentication bypass vulnerability in n/a, published on 4 Dec 2007. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

cp.php in DeluxeBB 1.09 does not verify that the membercookie parameter corresponds to the authenticated member during a profile update, which allows remote authenticated users to change the e-mail addresses of arbitrary accounts via a modified membercookie parameter, a different vector than CVE-2006-4078.  NOTE: this can be leveraged for administrative access by requesting password-reset e-mail through a lostpw action to misc.php.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2007-6237?

It affects 1 product.


Products: Deluxebb Deluxebb.

## How do I fix CVE-2007-6237?

No fix has been published for CVE-2007-6237 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-6237 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-6237 exists.

Public exploit code:

- DeluxeBB 1.09 - Remote Admin Email Change (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2009-4465](https://insights.sbomify.com/CVE-2009-4465/): Information disclosure in n/a (high 7.5)
- [CVE-2009-1033](https://insights.sbomify.com/CVE-2009-1033/): SQL injection in n/a (high 7.5)
- [CVE-2008-2194](https://insights.sbomify.com/CVE-2008-2194/): SQL injection in n/a (high 7.5)
- [CVE-2006-5154](https://insights.sbomify.com/CVE-2006-5154/): File upload in n/a (high 7.5)
- [CVE-2006-4558](https://insights.sbomify.com/CVE-2006-4558/): File upload in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-6237 and fix it if it is affected.

What it is: CVE-2007-6237 is a critical authentication bypass vulnerability in n/a, published on 4 Dec 2007. 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-2007-6237 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-2007-6237/ (Markdown: https://insights.sbomify.com/CVE-2007-6237/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-6237
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-6237
- OSV: https://osv.dev/vulnerability/CVE-2007-6237

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-6237/
Summaries are generated and may contain mistakes; the official description above is the record.