# CVE-2025-3687: misstt123 oasys Sticky Notes cross-site request forgery

> Attackers can perform unauthorized actions on behalf of authenticated users in the oasys Sticky Notes application via cross-site request forgery.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Apr 2025
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-5qc3-c7fp-rxmg

## What is CVE-2025-3687?

CVE-2025-3687 is a medium-severity vulnerability in misstt123 oasys, published on 16 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability, which was classified as problematic, has been found in misstt123 oasys 1.0. Affected by this issue is some unknown functionality of the component Sticky Notes Handler. The manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.

Weakness: CWE-862 (Missing Authorization), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2025-3687?

It affects 1 product.


Products: Misstt123 Oasys.

## How do I fix CVE-2025-3687?

No fix has been published for CVE-2025-3687 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-3687 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3687 exists.

## Other vulnerabilities in misstt123 oasys

- [CVE-2024-48270](https://insights.sbomify.com/CVE-2024-48270/): Denial of service in n/a (high 7.5)
- [CVE-2025-3686](https://insights.sbomify.com/CVE-2025-3686/): misstt123 oasys show image path traversal (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3687 and fix it if it is affected.

What it is: CVE-2025-3687 is a medium-severity vulnerability in misstt123 oasys, published on 16 Apr 2025. An attacker can exploit it over the internet without logging in, 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-2025-3687 exists.

Affected product: misstt123 oasys. 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-2025-3687/ (Markdown: https://insights.sbomify.com/CVE-2025-3687/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3687
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3687
- OSV: https://osv.dev/vulnerability/CVE-2025-3687

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-3687/
Summaries are generated and may contain mistakes; the official description above is the record.