CVE-2025-52559

{"id": "CVE-2025-52559", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "published": "2025-07-02T20:15:31.443", "references": [{"url": "https://github.com/zulip/zulip/commit/175ec1f365b0db982d6eac9019701cbf6e8bc2f2", "source": "security-advisories@github.com"}, {"url": "https://github.com/zulip/zulip/commit/1a8429e338ff53bdcc4b42e7e71b6fffdd84fcd1", "source": "security-advisories@github.com"}, {"url": "https://github.com/zulip/zulip/commit/6608c8777254e73a4b540e5e1c4af92e680a55fc", "source": "security-advisories@github.com"}, {"url": "https://github.com/zulip/zulip/security/advisories/GHSA-vgf2-vw4r-m663", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Zulip is an open-source team chat application. From versions 2.0.0-rc1 to before 10.4 in Zulip Server, the /digest/ URL of a server shows a preview of what the email weekly digest would contain. This URL, though not the digest itself, contains a cross-site scripting (XSS) vulnerability in both topic names and channel names. This issue has been fixed in Zulip Server 10.4. A workaround for this issue involves denying access to /digest/."}, {"lang": "es", "value": "Zulip es una aplicaci\u00f3n de chat en equipo de c\u00f3digo abierto. Desde la versi\u00f3n 2.0.0-rc1 hasta la anterior a la 10.4 en Zulip Server, la URL /digest/ de un servidor muestra una vista previa del contenido del resumen semanal por correo electr\u00f3nico. Esta URL, aunque no el resumen en s\u00ed, contiene una vulnerabilidad de cross-site scripting (XSS) tanto en los nombres de los temas como en los de los canales. Este problema se ha solucionado en Zulip Server 10.4. Una soluci\u00f3n alternativa consiste en denegar el acceso a /digest/."}], "lastModified": "2025-07-03T15:13:53.147", "sourceIdentifier": "security-advisories@github.com"}