CVE-2026-21875

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{"affected": [{"affectedData": [{"product": "clipbucket-v5", "vendor": "MacWarrior", "versions": [{"status": "affected", "version": "<= 5.5.2-#187"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:*", "matchCriteriaId": "9F870E38-684D-4CB6-9A2C-E8CA278B45E0", "versionEndExcluding": "5.5.2-191", "versionStartIncluding": "5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "ClipBucket v5 es una plataforma de c\u00f3digo abierto para compartir v\u00eddeos. Las versiones 5.5.2-#187 y anteriores permiten a un atacante realizar una inyecci\u00f3n SQL ciega a trav\u00e9s de la secci\u00f3n de comentarios de un canal. Al a\u00f1adir un comentario en un canal, se env\u00eda una solicitud POST al punto final /actions/ajax.php. El par\u00e1metro obj_id de la solicitud POST a /actions/ajax.php se utiliza posteriormente en la funci\u00f3n user_exists del archivo upload/includes/classes/user.class.php como par\u00e1metro $id. A continuaci\u00f3n, se utiliza en la funci\u00f3n count del archivo upload/includes/classes/db.class.php. El par\u00e1metro $id se concatena en la consulta sin validaci\u00f3n ni sanitizaci\u00f3n, y una entrada proporcionada por el usuario como 1' o 1=1-- puede utilizarse para desencadenar la inyecci\u00f3n. Esta vulnerabilidad no tiene soluci\u00f3n en el momento de la publicaci\u00f3n."}], "id": "CVE-2026-21875", "lastModified": "2026-06-17T10:19:04.303", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21875", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-08T19:13:00.934327Z", "version": "2.0.3"}}]}, "published": "2026-01-08T00:16:00.457", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-crpv-fmc4-j392"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-crpv-fmc4-j392"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2026-01-08T09:47:41.356133+00:00", "updated": "2026-09-08T15:00:14.003530+00:00", "vendors": ["clipbucket", "clipbucket$PRODUCT$clipbucket"]}