CVE-2025-62796

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{"affected": [{"affectedData": [{"product": "PrivateBin", "vendor": "PrivateBin", "versions": [{"status": "affected", "version": ">= 1.7.7, < 2.0.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PrivateBin is an online pastebin where the server has zero knowledge of pasted data. Versions 1.7.7 through 2.0.1 allow persistent HTML injection via the unsanitized attachment filename (attachment_name) when attachments are enabled. An attacker can modify attachment_name before encryption so that, after decryption, arbitrary HTML is inserted unescaped into the page near the file size hint, enabling redirect (e.g., meta refresh) and site defacement and related phishing attacks. Script execution is normally blocked by the recommended Content Security Policy, limiting confidentiality impact. The issue was introduced in 1.7.7 and fixed in 2.0.2. Update to 2.0.2 or later. Workarounds include enforcing the recommended CSP, deploying PrivateBin on a separate domain, or disabling attachments."}, {"lang": "es", "value": "PrivateBin es un pastebin en l\u00ednea donde el servidor no tiene conocimiento de los datos pegados. Las versiones 1.7.7 a 2.0.1 permiten la inyecci\u00f3n HTML persistente a trav\u00e9s del nombre de archivo adjunto no saneado (attachment_name) cuando los archivos adjuntos est\u00e1n habilitados. Un atacante puede modificar attachment_name antes del cifrado para que, despu\u00e9s del descifrado, se inserte HTML arbitrario sin escapar en la p\u00e1gina cerca de la indicaci\u00f3n del tama\u00f1o del archivo, lo que permite la redirecci\u00f3n (por ejemplo, meta refresh) y la desfiguraci\u00f3n del sitio y ataques de phishing relacionados. La ejecuci\u00f3n de scripts normalmente est\u00e1 bloqueada por la Pol\u00edtica de Seguridad de Contenido recomendada, lo que limita el impacto en la confidencialidad. El problema se introdujo en la versi\u00f3n 1.7.7 y se corrigi\u00f3 en la 2.0.2. Actualice a la versi\u00f3n 2.0.2 o posterior. Las soluciones alternativas incluyen aplicar la CSP recomendada, desplegar PrivateBin en un dominio separado o deshabilitar los archivos adjuntos."}], "id": "CVE-2025-62796", "lastModified": "2026-10-19T13:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-62796", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-29T13:30:18.884080Z", "version": "2.0.3"}}]}, "published": "2025-10-28T21:15:40.760", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/PrivateBin/PrivateBin/commit/c4f8482b3072be7ae012cace1b3f5658dcc3b42e"}, {"source": "security-advisories@github.com", "url": "https://github.com/PrivateBin/PrivateBin/pull/1550"}, {"source": "security-advisories@github.com", "url": "https://github.com/PrivateBin/PrivateBin/security/advisories/GHSA-867c-p784-5q6g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-80"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-10-29T10:57:38.576978+00:00", "updated": "2025-10-29T10:57:38.577002+00:00", "vendors": ["privatebin", "privatebin$PRODUCT$privatebin"]}