CVE-2025-55912: clipbucket File Upload RCE

Description

An issue in ClipBucket 5.5.0 and prior versions allows an unauthenticated attacker can exploit the plupload endpoint in photo_uploader.php to upload arbitrary files without any authentication, due to missing access controls in the upload handler

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
oxygenz	clipbucket	< 5.5.0

References

Advisories & Patches

https://github.com/MacWarrior/clipbucket-v5/blob/5.5.0/upload/actions/photo_uploader.php https://github.com/MacWarrior/clipbucket-v5/tree/5.5.0

Exploits

https://medium.com/@mukund.s1337/cve-2025-55912-clipbucket-5-5-0-unauthenticated-arbitrary-file-upload-rce-720c0c0fbc58

Other References

https://github.com/MacWarrior/clipbucket-v5/releases?page=2

Frequently Asked Questions

What is CVE-2025-55912? +

An issue in ClipBucket 5.5.0 and prior versions allows an unauthenticated attacker can exploit the plupload endpoint in photo_uploader.php to upload arbitrary files without any authentication, due to missing access controls in the upload handler It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-55912? +

CVE-2025-55912 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-55912? +

CVE-2025-55912 affects products from oxygenz, specifically: clipbucket. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55912? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-55912