CVE-2026-42615

{"id": "CVE-2026-42615", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.9}]}, "published": "2026-04-29T04:16:41.750", "references": [{"url": "https://github.com/gchq/CyberChef/commit/9641ae07f92e9af50f10e978385465b2f4a36c4d", "source": "cve@mitre.org"}, {"url": "https://github.com/gchq/CyberChef/compare/v10.24.0...v11.0.0", "source": "cve@mitre.org"}, {"url": "https://github.com/gchq/CyberChef/issues/2344", "source": "cve@mitre.org"}, {"url": "https://github.com/gchq/CyberChef/pull/2346", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "GCHQ CyberChef before 11.0.0 allows XSS via Show Base64 offsets, as demonstrated by the /#recipe=Show_Base64_offsets('%3Cscript substring."}], "lastModified": "2026-04-30T15:48:26.580", "sourceIdentifier": "cve@mitre.org"}