# CVE-2025-64339: ClipBucket v5: Stored XSS Vulnerability in Manage Playlists

> Authenticated users can inject malicious scripts via playlist names, leading to arbitrary JavaScript execution in other users' browsers.

- **Severity:** High 7.2 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P`)
- **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:** 7 Nov 2025
- **Updated:** 7 Nov 2025
- **Also known as:** GHSA-c695-m4g4-v3fv

## What is CVE-2025-64339?

CVE-2025-64339 is a high-severity cross-site scripting vulnerability in MacWarrior clipbucket-v5, published on 7 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

ClipBucket v5 is an open source video sharing platform. In versions 5.5.2-#146 and below, the Manage Playlists feature is vulnerable to stored Cross-site Scripting (XSS),specifically in the Playlist Name field. An authenticated low-privileged user can create a playlist with a malicious name containing HTML/JavaScript code, which is rendered unescaped on playlist detail and listing pages. This results in arbitrary JavaScript execution in every viewer’s browser, including administrators. This issue is fixed in version 5.5.2-#147.

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

## Which versions are affected by CVE-2025-64339?

It affects 1 product.


Products: Oxygenz Clipbucket.

## How do I fix CVE-2025-64339?

No fix has been published for CVE-2025-64339 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-64339 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-64339 exists.

## Other vulnerabilities in MacWarrior clipbucket-v5

- [CVE-2026-21875](https://insights.sbomify.com/CVE-2026-21875/): ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments (critical 9.8)
- [CVE-2025-67418](https://insights.sbomify.com/CVE-2025-67418/): Hardcoded credentials in n/a (critical 9.8)
- [CVE-2025-21624](https://insights.sbomify.com/CVE-2025-21624/): ClipBucket V5 Playlist Cover File Upload to Remote Code Execution (critical 9.8)
- [CVE-2024-54135](https://insights.sbomify.com/CVE-2024-54135/): Untrusted Deserialization in ClipBucket-v5 Version 2.0 to 5.5.1 Revision 199 (critical 9.8)
- [CVE-2024-54136](https://insights.sbomify.com/CVE-2024-54136/): Untrusted Deserialization in ClipBucket-v5 Version 5.5.1 Revision 199 and Below (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-64339 and fix it if it is affected.

What it is: CVE-2025-64339 is a high-severity cross-site scripting vulnerability in MacWarrior clipbucket-v5, published on 7 Nov 2025. Any signed-in user can exploit it over the network, 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-2025-64339 exists.

Affected product: MacWarrior clipbucket-v5. 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-2025-64339/ (Markdown: https://insights.sbomify.com/CVE-2025-64339/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-64339
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-64339
- OSV: https://osv.dev/vulnerability/CVE-2025-64339

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-64339/
Summaries are generated and may contain mistakes; the official description above is the record.