EUVD-2026-12960CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Description
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.
Analysis
An authenticated time-based blind SQL injection vulnerability exists in the ClipBucket v5 open source video sharing platform, affecting versions prior to 5.5.3 #80. The vulnerability resides in the actions/ajax.php endpoint where the userid parameter lacks proper input sanitization, allowing authenticated attackers to execute arbitrary SQL queries. …
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Remediation
Within 24 hours: Identify all ClipBucket v5 deployments and document current versions; restrict database user privileges to least-access principle. Within 7 days: Implement WAF rules to block suspicious SQL patterns in the userid parameter of actions/ajax.php endpoint; enable enhanced logging and alerting for SQL error messages. …
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