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

High 7.2 Published 7 Nov 2025 Updated 7 Nov 2025

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

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: None listed

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

Which versions are affected by CVE-2025-64339?

It affects 1 product.

Products include 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.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-64339 being exploited?

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

Sources

Also known as GHSA-c695-m4g4-v3fv.