# CVE-2023-45210: Missing authorization in Pleasanter

> Remote authenticated attackers can view temporary files uploaded by other users due to improper access control in Pleasanter.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Dec 2023
- **Updated:** 28 May 2025
- **Also known as:** GHSA-wj8f-78wg-52vw

## What is CVE-2023-45210?

CVE-2023-45210 is a medium-severity missing authorization vulnerability in Implem Inc. Pleasanter, published on 6 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Pleasanter 1.3.47.0 and earlier contains an improper access control vulnerability, which may allow a remote authenticated attacker to view the temporary files uploaded by other users who are not permitted to access.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2023-45210?

It affects 1 product.


Products: Pleasanter Pleasanter.

## How do I fix CVE-2023-45210?

No fix has been published for CVE-2023-45210 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-45210 being exploited?

There is no known exploitation of CVE-2023-45210 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-2023-34439](https://insights.sbomify.com/CVE-2023-34439/): Cross-site scripting in Pleasanter (medium 5.4)
- [CVE-2023-32607](https://insights.sbomify.com/CVE-2023-32607/): Cross-site scripting in Pleasanter (Community Edition and Enterprise Edition) (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-45210 and fix it if it is affected.

What it is: CVE-2023-45210 is a medium-severity missing authorization vulnerability in Implem Inc. Pleasanter, published on 6 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-45210 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-2023-45210/ (Markdown: https://insights.sbomify.com/CVE-2023-45210/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-45210
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-45210
- OSV: https://osv.dev/vulnerability/CVE-2023-45210

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-45210/
Summaries are generated and may contain mistakes; the official description above is the record.