CVE-2026-43875

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{"affected": [{"affectedData": [{"product": "AVideo", "vendor": "WWBN", "versions": [{"status": "affected", "version": "<= 29.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WWBN AVideo is an open source video platform. In versions up to and including 29.0, plugin/MobileManager/oauth2.php completes an OAuth login by sending an HTTP 302 Location: oauth2Success.php?user=<email>&pass=<HASH> where <HASH> is the victim's stored password hash (md5(hash(\"whirlpool\", sha1(password)))) read directly from the users table. AVideo's own login endpoint (objects/login.json.php) accepts an encodedPass=1 flag that bypasses hashing and performs a direct string comparison between the supplied value and the stored hash. Anyone who captures the redirect URL \u2014 via server logs, referrer leakage, or browser history \u2014 therefore obtains a credential equivalent to the plaintext password and can fully take over the account, including admin accounts. Commit 977cd6930a97571a26da4239e25c8096dd4ecbc1 contains an updated fix."}, {"lang": "es", "value": "WWBN AVideo es una plataforma de video de c\u00f3digo abierto. En versiones hasta la 29.0 inclusive, plugin/MobileManager/oauth2.php completa un inicio de sesi\u00f3n OAuth enviando una ubicaci\u00f3n HTTP 302: oauth2Success.php?user=[email]&pass=[HASH] donde [HASH] es el hash de la contrase\u00f1a almacenada de la v\u00edctima (md5(hash(\u201cwhirlpool\u201d, sha1(contrase\u00f1a)))) le\u00eddo directamente de la tabla de usuarios. El propio endpoint de inicio de sesi\u00f3n de AVideo (objects/login.json.php) acepta una bandera encodedPass=1 que omite el hashing y realiza una comparaci\u00f3n directa de cadenas entre el valor proporcionado y el hash almacenado. Cualquiera que capture la URL de redirecci\u00f3n - a trav\u00e9s de registros del servidor, fuga de referer o historial del navegador - por lo tanto, obtiene una credencial equivalente a la contrase\u00f1a en texto plano y puede tomar el control total de la cuenta, incluidas las cuentas de administrador. El commit 977cd6930a97571a26da4239e25c8096dd4ecbc1 contiene una correcci\u00f3n actualizada."}], "id": "CVE-2026-43875", "lastModified": "2026-10-26T18:10:00.173", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43875", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-12T13:24:08.360688Z", "version": "2.0.3"}}]}, "published": "2026-05-11T22:22:11.843", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/WWBN/AVideo/commit/977cd6930a97571a26da4239e25c8096dd4ecbc1"}, {"source": "security-advisories@github.com", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-5w8w-26ch-v5cw"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-5w8w-26ch-v5cw"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-598"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,29.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "AVideo", "source": "cna", "vendor": "WWBN"}, "product": "avideo", "vendor": "wwbn"}], "created": "2026-05-11T22:45:36.085289+00:00", "updated": "2026-05-11T23:00:19.469135+00:00", "vendors": ["wwbn", "wwbn$PRODUCT$avideo"]}