# CVE-2025-13574: code-projects Online Bidding System addcategory.php categoryadd unrestricted upload

> Remote attackers can upload malicious files via the categoryadd function in the Online Bidding System, potentially leading to code execution.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Nov 2025
- **Updated:** 24 Nov 2025
- **Also known as:** GHSA-x3c9-p79c-qhqc

## What is CVE-2025-13574?

CVE-2025-13574 is a medium-severity vulnerability in code-projects Online Bidding System, published on 24 Nov 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A weakness has been identified in code-projects Online Bidding System 1.0. This issue affects the function categoryadd of the file /administrator/addcategory.php. This manipulation of the argument catimage causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2025-13574?

It affects 1 product.


Products: Fabian Online Bidding System.

## How do I fix CVE-2025-13574?

No fix has been published for CVE-2025-13574 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-13574 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-13574 exists.

## Other vulnerabilities in code-projects Online Bidding System

- [CVE-2025-11066](https://insights.sbomify.com/CVE-2025-11066/): code-projects Online Bidding System bidlist.php sql injection (medium 6.9)
- [CVE-2025-10841](https://insights.sbomify.com/CVE-2025-10841/): code-projects Online Bidding System weweee.php sql injection (medium 6.9)
- [CVE-2025-10842](https://insights.sbomify.com/CVE-2025-10842/): code-projects Online Bidding System wew.php sql injection (medium 6.9)
- [CVE-2025-10791](https://insights.sbomify.com/CVE-2025-10791/): code-projects Online Bidding System index.php sql injection (medium 6.9)
- [CVE-2025-10795](https://insights.sbomify.com/CVE-2025-10795/): code-projects Online Bidding System bidupdate.php sql injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-13574 and fix it if it is affected.

What it is: CVE-2025-13574 is a medium-severity vulnerability in code-projects Online Bidding System, published on 24 Nov 2025. 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-2025-13574 exists.

Affected product: code-projects Online Bidding System. 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-2025-13574/ (Markdown: https://insights.sbomify.com/CVE-2025-13574/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-13574
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-13574
- OSV: https://osv.dev/vulnerability/CVE-2025-13574

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-13574/
Summaries are generated and may contain mistakes; the official description above is the record.