# CVE-2023-5259: ForU CMS cms_admin.php denial of service

> Remote attackers can cause denial of service in ForU CMS by manipulating the del argument in the admin panel.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Sep 2023
- **Updated:** 23 Sep 2024
- **Also known as:** GHSA-4hwx-j5cw-j2hg

## What is CVE-2023-5259?

CVE-2023-5259 is a low-severity denial of service vulnerability in ForU CMS, published on 29 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability classified as problematic was found in ForU CMS. This vulnerability affects unknown code of the file /admin/cms_admin.php. The manipulation of the argument del leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The identifier of this vulnerability is VDB-240868.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2023-5259?

It affects 1 product.


Products: Foru Cms Project Foru Cms.

## How do I fix CVE-2023-5259?

No fix has been published for CVE-2023-5259 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5259 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5259 exists.

## Other vulnerabilities in ForU CMS

- [CVE-2024-0426](https://insights.sbomify.com/CVE-2024-0426/): ForU CMS cms_template.php sql injection (medium 6.3)
- [CVE-2024-0729](https://insights.sbomify.com/CVE-2024-0729/): ForU CMS cms_admin.php sql injection (medium 5.5)
- [CVE-2024-0425](https://insights.sbomify.com/CVE-2024-0425/): ForU CMS password recovery (medium 5.3)
- [CVE-2024-0728](https://insights.sbomify.com/CVE-2024-0728/): ForU CMS channel.php file inclusion (medium 4.7)
- [CVE-2023-5221](https://insights.sbomify.com/CVE-2023-5221/): ForU CMS index.php code injection (medium 4.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5259 and fix it if it is affected.

What it is: CVE-2023-5259 is a low-severity denial of service vulnerability in ForU CMS, published on 29 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5259 exists.

Affected product: ForU CMS. 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-2023-5259/ (Markdown: https://insights.sbomify.com/CVE-2023-5259/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5259
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5259
- OSV: https://osv.dev/vulnerability/CVE-2023-5259

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5259/
Summaries are generated and may contain mistakes; the official description above is the record.