CVE-2025-64338CRITICAL 9.0EPSS p31.3%

CVE-2025-64338CVE-2025-64338

Description

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.

Scoring

CVSS 3.19.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS0.40% probability of exploitation · percentile 31.3% · 2026-06-19T12:03:05Z
Published2025-11-07
Last modified2025-12-31

Underlying weaknesses· 2

CWE-79CWE-269

References

  1. https://github.com/MacWarrior/clipbucket-v5/commit/8e3cf79ce2721fbebde68a05a9a1a6319f086bcc
  2. https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-93rh-fxxx-j38j

2

TypeTargetConfidenceTier
WeaknessImproper Privilege Managementcwe-2690%live
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.