# CVE-2024-4105: Cross-site scripting in CI Server

> Reflected XSS in Yokogawa FAST/TOOLS and CI Server allows attackers to execute malicious scripts on client PCs via crafted URLs.

- **Severity:** Medium 5.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Jun 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-wf34-93rm-qpcq

## What is CVE-2024-4105?

CVE-2024-4105 is a medium-severity cross-site scripting vulnerability in Yokogawa Electric Corporation CI Server, published on 26 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability has been found in FAST/TOOLS and CI Server. The affected product's WEB HMI server's function to process HTTP requests has a security flaw (Reflected XSS) that allows the execution of malicious scripts. Therefore, if a client PC with inadequate security measures accesses a product URL containing a malicious request, the malicious script may be executed on the client PC.
The affected products and versions are as follows:
FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
CI Server R1.01.00 to R1.03.00

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

## Which versions are affected by CVE-2024-4105?


## How do I fix CVE-2024-4105?

No fix has been published for CVE-2024-4105 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-4105 being exploited?

There is no known exploitation of CVE-2024-4105 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-4105 and fix it if it is affected.

What it is: CVE-2024-4105 is a medium-severity cross-site scripting vulnerability in Yokogawa Electric Corporation CI Server, published on 26 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-4105 in the wild and no public exploit code.

Affected product: Yokogawa Electric Corporation CI Server. 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-2024-4105/ (Markdown: https://insights.sbomify.com/CVE-2024-4105/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-4105
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-4105
- OSV: https://osv.dev/vulnerability/CVE-2024-4105

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-4105/
Summaries are generated and may contain mistakes; the official description above is the record.