# CVE-2022-4347: xiandafu beetl-bbs WebUtils.java cross site scripting

> Remote attackers can inject malicious scripts via the user argument in WebUtils.java, potentially compromising user sessions.

- **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 Dec 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-xx93-36xf-3332

## What is CVE-2022-4347?

CVE-2022-4347 is a low-severity cross-site scripting vulnerability in xiandafu beetl-bbs, published on 8 Dec 2022. 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 xiandafu beetl-bbs. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file WebUtils.java. The manipulation of the argument user leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-215107.

Weakness: CWE-707 (Improper Neutralization)

## Which versions are affected by CVE-2022-4347?

It affects 1 product.


Products: Beetl-Bbs Project Beetl-Bbs.

## How do I fix CVE-2022-4347?

No fix has been published for CVE-2022-4347 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4347 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4347 exists.

## Other vulnerabilities in xiandafu beetl-bbs

- [CVE-2024-22490](https://insights.sbomify.com/CVE-2024-22490/): Cross-site Scripting in beetl-bbs (medium 6.1)
- [CVE-2024-22491](https://insights.sbomify.com/CVE-2024-22491/): Stored Cross Site Scripting in beetl-bbs (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4347 and fix it if it is affected.

What it is: CVE-2022-4347 is a low-severity cross-site scripting vulnerability in xiandafu beetl-bbs, published on 8 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4347 exists.

Affected product: xiandafu beetl-bbs. 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-2022-4347/ (Markdown: https://insights.sbomify.com/CVE-2022-4347/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4347
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4347
- OSV: https://osv.dev/vulnerability/CVE-2022-4347

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4347/
Summaries are generated and may contain mistakes; the official description above is the record.