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CVE-2025-21622

Oxygenz Clipbucket path traversal

7.5 HIGHPublic exploitEPSS 0.96%
  1. Published7 Jan 2025

Description

ClipBucket V5 provides open source video hosting with PHP. During the user avatar upload workflow, a user can choose to upload and change their avatar at any time. During deletion, ClipBucket checks for the avatar_url as a filepath within the avatars subdirectory. If the URL path exists within the avatars directory, ClipBucket will delete it. There is no check for path traversal sequences in the provided user input (stored in the DB as avatar_url) therefore the final $file variable could be tainted with path traversal sequences. This leads to file deletion outside of the intended scope of the avatars folder. This vulnerability is fixed in 5.5.1 - 237.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Oxygenz Clipbucket≥ 5.3 < 5.5.1-237

Remediation

Fixed in
Oxygenz Clipbucket≥ 5.5.1-237

References

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Frequently asked

Is CVE-2025-21622 being actively exploited?

CVE-2025-21622 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.96%.

How severe is CVE-2025-21622?

CVE-2025-21622 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.96% probability of exploitation.

Which products are affected by CVE-2025-21622?

Affected products include Oxygenz Clipbucket.

How do I fix CVE-2025-21622?

Upgrade affected software to a fixed version, for example Oxygenz Clipbucket 5.5.1-237 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-21622 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.