What is CVE-2025-64339?

CVE-2025-64339 is a medium-severity vulnerability in Macwarrior Clipbucket-V5, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-07.

How severe is CVE-2025-64339?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Macwarrior Clipbucket-V5

CVE-2025-64339

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Macwarrior Clipbucket-v5 — versions < 5.5.2-#147
Oxygenz Clipbucket

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-64339?: CVE-2025-64339 is a medium-severity vulnerability in Macwarrior Clipbucket-V5, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-07.
How severe is CVE-2025-64339?: Medium severity. CVSS v3 base score is 5.4 out of 10.