MacWarrior clipbucket-v5 up to up to 5.5.3 actions/ajax.php userid sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in MacWarrior clipbucket-v5 up to up to 5.5.3. The impacted element is an unknown function of the file actions/ajax.php. The manipulation of the argument userid leads to sql injection. This vulnerability is documented as CVE-2026-32321. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MacWarrior clipbucket-v5 up to up to 5.5.3. It has been rated as critical. This issue affects an unknown functionality of the file actions/ajax.php. The manipulation of the argument userid with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ClipBucket v5 is an open source video sharing platform. An authenticated time-based blind SQL injection vulnerability exists in ClipBucket prior to 5.5.3 #80 within the `actions/ajax.php` endpoint. Due to insufficient input sanitization of the `userid` parameter, an authenticated attacker can execute arbitrary SQL queries, leading to full database disclosure and potential administrative account takeover. Version 5.5.3 #80 fixes the issue.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-32321 since 03/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

By approaching the search of inurl:actions/ajax.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 726d68b0c9d4c702dce2691c2759b6bf84a1691f is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12960). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• MacWarrior

Name

• clipbucket-v5

Version

• 5.5.0
• 5.5.1
• 5.5.2
• 5.5.3

License

• open-source

Website

• Product: https://github.com/MacWarrior/clipbucket-v5/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion