{"id":"CVE-2023-2259","aliases":["EUVD-2023-33765","GHSA-4w64-j7cg-53xc"],"status":"published","title":"Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01089,"percentile":0.6583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1336","CWE-94"],"published":"2023-04-24T00:00:00Z","modified":"2026-10-28T10:31:50Z","products":[{"vendor":"alf","product":"alf"},{"vendor":"alfio-event","product":"alfio-event/alf.io"}],"references":[{"url":"https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2","tags":["x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2259","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4w64-j7cg-53xc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2259.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-2259","title":"Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","status":"published","published":"2023-04-24T00:00:00Z","modified":"2025-02-04T16:49:08.353Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-1336"],"updated_at":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-33765","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","status":"published","published":"2023-04-24T00:00:00Z","modified":"2025-02-04T16:49:08Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:06.358066Z"}],"ghsa":[{"id":"GHSA-4w64-j7cg-53xc","title":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio...","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","status":"published","published":"2023-04-24T21:30:30Z","modified":"2023-11-10T05:01:42Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94","CWE-1336"],"updated_at":"2026-11-02T14:54:57.246163Z"}],"nvd":[{"id":"CVE-2023-2259","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","status":"published","published":"2023-04-24T21:15:09.547Z","modified":"2026-06-17T05:52:07.48Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-1336","CWE-94"],"updated_at":"2026-11-02T14:07:56.683259Z"}],"osv":[{"id":"CVE-2023-2259","title":"Improper Neutralization of Special Elements Used in a Template Engine in alfio-event/alf.io","description":"Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.","status":"published","published":"2023-04-24T00:00:00Z","modified":"2026-10-28T10:31:50.086682576Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1336"],"updated_at":"2026-11-02T15:44:30.334753Z"}]}}