{"id":"CVE-2021-3030","aliases":["EUVD-2021-34881","GHSA-f3hx-44cc-6fhr"],"status":"published","title":"Cute Editor for ASP.NET 6.4 is vulnerable to reflected cross-site scripting caused by improper...","description":"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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00313,"percentile":0.24511,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-17T00:00:00Z","modified":"2026-09-22T20:00:03Z","exploits":[{"source":"pocgithub","id":"athosgonzaga/CVE-2021-3030","title":"athosgonzaga/CVE-2021-3030","date":"2026-09-06","url":"https://github.com/athosgonzaga/CVE-2021-3030"}],"references":[{"url":"https://github.com/athosgonzaga/CVE-2021-3030","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3030"},{"url":"https://github.com/advisories/GHSA-f3hx-44cc-6fhr"}],"sources":{"cve":[{"id":"CVE-2021-3030","description":"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.","status":"published","published":"2026-09-17T00:00:00Z","modified":"2026-09-18T13:36:03.597Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-34881","description":"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.","status":"published","published":"2026-09-17T00:00:00Z","modified":"2026-09-18T13:36:03Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:08.898956Z"}],"ghsa":[{"id":"GHSA-f3hx-44cc-6fhr","title":"Cute Editor for ASP.NET 6.4 is vulnerable to reflected cross-site scripting caused by improper...","description":"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.","status":"published","published":"2026-09-17T21:31:42Z","modified":"2026-09-18T15:33:13Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:10.765995Z"}],"nvd":[{"id":"CVE-2021-3030","description":"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.","status":"published","published":"2026-09-17T21:17:10.213Z","modified":"2026-09-22T20:00:03.713Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}