CVE-2025-21623 ClipBucket V5 Unauthenticated Template Directory Update to Denial-of-Service

High 7.5 Published Updated

Unauthenticated attackers can exploit a path traversal vulnerability in ClipBucket V5 to change the template directory, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-21623?

CVE-2025-21623 is a high-severity path traversal vulnerability in MacWarrior clipbucket-v5, published on 7 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306, CWE-22

Which versions are affected by CVE-2025-21623?

It affects 1 product.

Products include Oxygenz Clipbucket.

How do I fix CVE-2025-21623?

No fix has been published for CVE-2025-21623 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-21623 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-21623 exists.

Sources

Also known as GHSA-ffhj-hprx-7qvr.

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