# CVE-2023-3554: GZ Scripts GZ Forum Script preview.php cross site scripting

> Remote attackers can inject malicious scripts via preview.php parameters in GZ Forum Script, potentially leading to session hijacking or code execution.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 8 Jul 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-rfv2-3vhx-4f5f

## What is CVE-2023-3554?

CVE-2023-3554 is a low-severity cross-site scripting vulnerability in GZ Forum Script, published on 8 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in GZ Scripts GZ Forum Script 1.8 and classified as problematic. Affected by this issue is some unknown functionality of the file /preview.php. The manipulation of the argument catid/topicid/topic/topic_message/free_name leads to cross site scripting. The attack may be launched remotely. The identifier of this vulnerability is VDB-233348. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-3554?

It affects 1 product.


Products: Gzscripts Gz Forum Script.

## How do I fix CVE-2023-3554?

No fix has been published for CVE-2023-3554 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3554 being exploited?

There is no known exploitation of CVE-2023-3554 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3554 and fix it if it is affected.

What it is: CVE-2023-3554 is a low-severity cross-site scripting vulnerability in GZ Forum Script, published on 8 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-3554 in the wild and no public exploit code.

Affected product: GZ Forum Script. 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-2023-3554/ (Markdown: https://insights.sbomify.com/CVE-2023-3554/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3554
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3554
- OSV: https://osv.dev/vulnerability/CVE-2023-3554

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3554/
Summaries are generated and may contain mistakes; the official description above is the record.