XSS in Macwarrior Clipbucket-V5

CVE-2025-64338

ClipBucket v5 is an open source video sharing platform. In versions 5.5.2 - #156 and below, an authenticated regular user can create a photo collection whose Collection Name contains HTML/JavaScript payloads, which making ClipBucket’s Manage Photos feature vulnerable to Stored XSS. The payload is rendered unsafely in the Admin → Manage Photos interface, causing it to execute in the administrator’s browser, therefore allowing an attacker to target administrators and perform actions with elevated privileges. This issue is fixed in version 5.5.2 - #157.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (38.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-64338?
CVE-2025-64338 is a critical-severity vulnerability in Macwarrior Clipbucket-V5, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2025-11-07.
How severe is CVE-2025-64338?
Critical severity. CVSS v3 base score is 9.0 out of 10.