ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments_CVE-2026-21875

{
    "lastseen": "",
    "description": "ClipBucket v5 is an open source video sharing platform. Versions 5.5.2-#187 and below allow an attacker to perform Blind SQL Injection through the add comment section within a channel. When adding a comment within a channel, there is a POST request to the /actions/ajax.php endpoint. The obj_id parameter within the POST request to /actions/ajax.php is then used within the user_exists function of the upload/includes/classes/user.class. php file as the $id parameter. It is then used within the count function of the upload/includes/classes/db.class. php file. The $id parameter is concatenated into the query without validation or sanitization, and a user-supplied input like 1' or 1=1-- - can be used to trigger the injection. This issue does not have a fix at the time of publication.",
    "published": "2026-01-07T23:52:18.729Z",
    "modified": "2026-01-07T23:52:18.729Z",
    "type": "cve",
    "title": "ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments",
    "source": "GitHub_M",
    "references": "https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-crpv-fmc4-j392",
    "id": "CVE-2026-21875",
    "bulletinFamily": "",
    "cwe": [
        "CWE-89"
    ],
    "cvelist": null,
    "sourceData": "MacWarrior clipbucket-v5 <= 5.5.2-#187",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "clipbucket-v5",
    "version": "<= 5.5.2-#187",
    "vendor": "MacWarrior",
    "ai_description": "Blind SQL Injection vulnerability in ClipBucket v5 through channel comments",
    "ai_severity": "Critical",
    "ai_vendor": "MacWarrior",
    "ai_product": "ClipBucket v5",
    "ai_version": "5.5.2-#187 and below",
    "ai_score": 9.8
}