# CVE-2026-24662: Cross-site scripting in Musetheque V4 Information Disclosure for IPKNOWLEDGE

> Attackers can execute arbitrary scripts in users' browsers via malicious file uploads viewed in the administration page.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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:** 15 May 2026
- **Updated:** 15 May 2026
- **Also known as:** GHSA-cq4p-2r8m-83m6

## What is CVE-2026-24662?

CVE-2026-24662 is a medium-severity cross-site scripting vulnerability in Fujitsu Japan Limited Musetheque V4 Information Disclosure for IPKNOWLEDGE, published on 15 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Cross-site scripting vulnerability exists in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier. If a file containing malicious contents is uploaded, an arbitrary script may be executed on a user's web browser when viewing the administration page showing the information of the file.

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

## Which versions are affected by CVE-2026-24662?


## How do I fix CVE-2026-24662?

No fix has been published for CVE-2026-24662 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-24662 being exploited?

There is no known exploitation of CVE-2026-24662 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-24662 and fix it if it is affected.

What it is: CVE-2026-24662 is a medium-severity cross-site scripting vulnerability in Fujitsu Japan Limited Musetheque V4 Information Disclosure for IPKNOWLEDGE, published on 15 May 2026. 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-2026-24662 in the wild and no public exploit code.

Affected product: Fujitsu Japan Limited Musetheque V4 Information Disclosure for IPKNOWLEDGE. 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-2026-24662/ (Markdown: https://insights.sbomify.com/CVE-2026-24662/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-24662
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-24662
- OSV: https://osv.dev/vulnerability/CVE-2026-24662

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-24662/
Summaries are generated and may contain mistakes; the official description above is the record.