CVE-2025-21623

ClipBucket V5 Unauthenticated Template Directory Update to Denial-of-Service

HIGH
7.5
CVSS Score
Published: January 7, 2025 at 03:43 PM UTC
Updated: June 17, 2026 at 08:43 AM UTC
2 products affected across 2 vendorsClipbucketClipBucket V5

Using clipbucket-v5 by MacWarrior?

Get instant alerts when new vulnerabilities affect clipbucket-v5 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
PoC

Description

ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 238, ClipBucket V5 allows unauthenticated attackers to change the template directory via a directory traversal, which results in a denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.3 ≤ v < 5.5.1-238
Affected range stops below 5.5.1-238, so it looks safe — our inference, not a vendor statement
v < 5.5.1
Affected range stops below 5.5.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22CWE-306

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card