# CVE-2025-47929: DumbDrop vulnerable to DOM XSS via file upload

> An attacker can execute arbitrary scripts in a victim's browser by tricking them into uploading a malicious file to the DumbDrop application.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P`)
- **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:** 15 May 2025
- **Updated:** 28 May 2025
- **Also known as:** GHSA-gj32-5mgw-2w27

## What is CVE-2025-47929?

CVE-2025-47929 is a low-severity cross-site scripting vulnerability in DumbWareio DumbDrop, published on 15 May 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

DumbDrop, a file upload application that provides an interface for dragging and dropping files, has a DOM cross-site scripting vulnerability in the upload functionality prior to commit db27b25372eb9071e63583d8faed2111a2b79f1b. A user could be tricked into uploading a file with a malicious payload. Commit db27b25372eb9071e63583d8faed2111a2b79f1b fixes the vulnerability.

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

## Which versions are affected by CVE-2025-47929?


## How do I fix CVE-2025-47929?

No fix has been published for CVE-2025-47929 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-47929 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-47929 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-47929 and fix it if it is affected.

What it is: CVE-2025-47929 is a low-severity cross-site scripting vulnerability in DumbWareio DumbDrop, published on 15 May 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-2025-47929 exists.

Affected product: DumbWareio DumbDrop. 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-2025-47929/ (Markdown: https://insights.sbomify.com/CVE-2025-47929/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-47929
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-47929
- OSV: https://osv.dev/vulnerability/CVE-2025-47929

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-47929/
Summaries are generated and may contain mistakes; the official description above is the record.