CVE-2021-3030

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cute Editor for ASP.NET 6.4 is vulnerable to reflected cross-site scripting caused by improper validation of the Theme GET parameter in colorpicker_more.aspx. A remote, unauthenticated attacker can craft a URL that, once opened by a victim in a browser session authenticated to a site running the vulnerable component, executes arbitrary JavaScript in the security context of that site."}], "id": "CVE-2021-3030", "lastModified": "2026-09-22T20:00:03.713", "metrics": {"cvssMetricV31": [{"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-3030", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-18T13:35:58.662293Z", "version": "2.0.3"}}]}, "published": "2026-09-17T21:17:10.213", "references": [{"source": "cve@mitre.org", "url": "https://github.com/athosgonzaga/CVE-2021-3030"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/athosgonzaga/CVE-2021-3030"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-09-20T04:45:16.992345+00:00", "title": "Cute Editor for ASP.NET\u00a06.4 Vulnerable to Reflected Cross\u2011Site Scripting via Theme Parameter", "updated": "2026-09-20T04:45:16.992352+00:00", "vendors": []}