CVE-2024-35234

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Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch, an attacker can execute arbitrary JavaScript on users\u2019 browsers by posting a specific URL containing maliciously crafted meta tags. This issue only affects sites with Content Security Polic (CSP) disabled. The problem has been patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch. As a workaround, ensure CSP is enabled on the forum."}, {"lang": "es", "value": "Discourse es una plataforma de discusi\u00f3n de c\u00f3digo abierto. Antes de la versi\u00f3n 3.2.3 en la rama \"estable\" y la versi\u00f3n 3.3.0.beta3 en la rama \"pruebas aprobadas\", un atacante pod\u00eda ejecutar JavaScript arbitrario en los navegadores de los usuarios publicando una URL espec\u00edfica que conten\u00eda metaetiquetas creadas con fines malintencionados. Este problema solo afecta a sitios con la Pol\u00edtica de seguridad de contenido (CSP) deshabilitada. El problema se solucion\u00f3 en la versi\u00f3n 3.2.3 en la rama \"estable\" y en la versi\u00f3n 3.3.0.beta3 en la rama \"pruebas aprobadas\". Como workaround, aseg\u00farese de que CSP est\u00e9 habilitado en el foro."}], "id": "CVE-2024-35234", "lastModified": "2026-06-17T07:34:35.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-35234", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-07-08T20:03:00.427087Z", "version": "2.0.3"}}]}, "published": "2024-07-03T19:15:04.123", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/311b737c910cf0a69f61e1b8bc0b78374b6619d2"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/discourse/discourse/commit/311b737c910cf0a69f61e1b8bc0b78374b6619d2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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