# CVE-2023-34439: Cross-site scripting in Pleasanter

> An attacker can execute arbitrary scripts in users' browsers via stored XSS in the Pleasanter web application.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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:** 6 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-qhpq-fh7h-m888

## What is CVE-2023-34439?

CVE-2023-34439 is a medium-severity cross-site scripting vulnerability in Implem Inc. Pleasanter, published on 6 Dec 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

Pleasanter 1.3.47.0 and earlier contains a stored cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed on the user's web browser.

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

## Which versions are affected by CVE-2023-34439?

It affects 1 product.


Products: Pleasanter Pleasanter.

## How do I fix CVE-2023-34439?

No fix has been published for CVE-2023-34439 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34439 being exploited?

There is no known exploitation of CVE-2023-34439 in the wild and no public exploit code.

## Other vulnerabilities in Implem Inc. Pleasanter

- [CVE-2023-32608](https://insights.sbomify.com/CVE-2023-32608/): Path traversal in Pleasanter (Community Edition and Enterprise Edition) (medium 6.5)
- [CVE-2024-21584](https://insights.sbomify.com/CVE-2024-21584/): Cross-site scripting in Pleasanter (medium 6.1)
- [CVE-2023-46688](https://insights.sbomify.com/CVE-2023-46688/): Open redirect in Pleasanter (medium 6.1)
- [CVE-2023-32607](https://insights.sbomify.com/CVE-2023-32607/): Cross-site scripting in Pleasanter (Community Edition and Enterprise Edition) (medium 5.4)
- [CVE-2023-30758](https://insights.sbomify.com/CVE-2023-30758/): Cross-site scripting in Pleasanter (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34439 and fix it if it is affected.

What it is: CVE-2023-34439 is a medium-severity cross-site scripting vulnerability in Implem Inc. Pleasanter, published on 6 Dec 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-2023-34439 in the wild and no public exploit code.

Affected product: Implem Inc. Pleasanter. 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-2023-34439/ (Markdown: https://insights.sbomify.com/CVE-2023-34439/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34439
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34439
- OSV: https://osv.dev/vulnerability/CVE-2023-34439

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34439/
Summaries are generated and may contain mistakes; the official description above is the record.