# CVE-2012-1248: Auth bypass in n/a

> Remote attackers with admin access on a different domain can hijack sessions in baserCMS installations on shared hosting.

- **Severity:** Medium 5.1 (`AV:N/AC:H/Au:N/C:P/I:P/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 May 2012
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-cg48-596p-vf3x

## What is CVE-2012-1248?

CVE-2012-1248 is a medium-severity authentication bypass vulnerability in Basercms Basercms, published on 15 May 2012. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

app/config/core.php in baserCMS 1.6.15 and earlier does not properly handle installations in shared-hosting environments, which allows remote attackers to hijack sessions by leveraging administrative access to a different domain.

Weakness: CWE-264

## Which versions are affected by CVE-2012-1248?

It affects 1 product.


Products: Basercms Basercms.

## How do I fix CVE-2012-1248?

No fix has been published for CVE-2012-1248 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-1248 being exploited?

There is no known exploitation of CVE-2012-1248 in the wild and no public exploit code.

## Other vulnerabilities in Basercms Basercms

- [CVE-2023-25654](https://insights.sbomify.com/CVE-2023-25654/): baserCMS File Uploader Remote Code Execution (RCE) vulnerability (critical 9.8)
- [CVE-2023-25655](https://insights.sbomify.com/CVE-2023-25655/): baserCMS allows any file to be uploaded (critical 9.8)
- [CVE-2017-10842](https://insights.sbomify.com/CVE-2017-10842/): baserCMS SQL Injection vulnerability (critical 9.8)
- [CVE-2026-30880](https://insights.sbomify.com/CVE-2026-30880/): baserCMS: OS command injection vulnerability in installer (critical 9.2)
- [CVE-2026-21861](https://insights.sbomify.com/CVE-2026-21861/): baserCMS: OS Command Injection Leading to Remote Code Execution (RCE) (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-1248 and fix it if it is affected.

What it is: CVE-2012-1248 is a medium-severity authentication bypass vulnerability in Basercms Basercms, published on 15 May 2012. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2012-1248 in the wild and no public exploit code.

Affected product: Basercms Basercms. 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-2012-1248/ (Markdown: https://insights.sbomify.com/CVE-2012-1248/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-1248
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-1248
- OSV: https://osv.dev/vulnerability/CVE-2012-1248

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-1248/
Summaries are generated and may contain mistakes; the official description above is the record.