{"id":"CVE-2023-41471","aliases":["EUVD-2023-45971","GHSA-4mcf-c9v4-fpcr","PYSEC-2025-240"],"status":"disputed","title":"Cross Site Scripting vulnerability in copyparty v.1.9.1 allows a local attacker to execute...","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00272,"percentile":0.1969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-08-29T00:00:00Z","modified":"2026-10-28T02:30:37Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"copyparty","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.9.1"}]}],"versions":["0.10.0","0.10.1","0.10.10","0.10.11","0.10.12","0.10.13","0.10.14","0.10.15","0.10.16","0.10.17","0.10.18","0.10.19","0.10.2","0.10.20","0.10.21","0.10.22","0.10.3","0.10.4","0.10.5","0.10.6","0.10.7","0.10.8","0.10.9","0.11.0","0.11.1","0.11.10","0.11.11","0.11.12","0.11.13","0.11.14","0.11.15","0.11.16","0.11.17","0.11.18","0.11.19","0.11.20","0.11.21","0.11.22","0.11.23","0.11.24","0.11.26","0.11.27","0.11.28","0.11.29","0.11.30","0.11.31","0.11.32","0.11.33","0.11.34","0.11.35","0.11.36","0.11.37","0.11.38","0.11.39","0.11.40","0.11.41","0.11.42","0.11.43","0.11.44","0.11.45","0.11.46","0.11.47","0.11.5","0.11.6","0.11.7","0.11.8","0.11.9","0.12.1","0.12.10","0.12.11","0.12.12","0.12.3","0.12.4","0.12.5","0.12.6","0.12.7","0.12.8","0.12.9","0.13.0","0.13.1","0.13.10","0.13.11","0.13.12","0.13.13","0.13.14","0.13.2","0.13.3","0.13.5","0.13.6","0.13.7","0.13.9","0.2.3","0.3.0","0.3.1","0.4.0","0.4.1","0.4.2","0.4.3","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.6.0","0.6.2","0.6.3","0.7.0","0.7.1","0.7.2","0.7.3","0.7.4","0.7.5","0.7.6","0.7.7","0.8.1","0.8.3","0.9.0","0.9.1","0.9.10","0.9.11","0.9.13","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","1.0.0","1.0.1","1.0.10","1.0.11","1.0.12","1.0.13","1.0.14","1.0.2","1.0.3","1.0.4","1.0.5","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.11","1.1.12","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.2.0","1.2.1","1.2.10","1.2.11","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.11","1.3.12","1.3.13","1.3.14","1.3.15","1.3.16","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.5.0","1.5.1","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.6.0","1.6.1","1.6.10","1.6.11","1.6.12","1.6.13","1.6.14","1.6.15","1.6.2","1.6.3","1.6.4","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","1.7.0","1.7.1","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6","1.8.0","1.8.1","1.8.2","1.8.3","1.8.4","1.8.6","1.8.7","1.8.8","1.9.0","1.9.1"]}],"products":[{"vendor":"9001","product":"copyparty"}],"references":[{"url":"https://github.com/Trinity-SYT-SECURITY/XSS_vuln_issue/blob/main/copyparty.md","tags":["Exploit","Third Party Advisory","web","evidence"]},{"url":"https://github.com/9001/copyparty","tags":["Product","package"]},{"url":"https://github.com/9001/copyparty/releases/tag/v1.9.2","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41471","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4mcf-c9v4-fpcr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41471.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-41471","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","status":"disputed","published":"2025-08-29T00:00:00Z","modified":"2025-11-03T05:26:40.565Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:19.217111Z"}],"euvd":[{"id":"EUVD-2023-45971","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","status":"published","published":"2025-08-29T00:00:00Z","modified":"2025-11-03T05:26:40Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:35.368666Z"}],"ghsa":[{"id":"GHSA-4mcf-c9v4-fpcr","title":"Cross Site Scripting vulnerability in copyparty v.1.9.1 allows a local attacker to execute...","description":"Cross Site Scripting vulnerability in copyparty v.1.9.1 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function.","status":"published","published":"2025-08-29T21:32:02Z","modified":"2025-11-03T06:30:27Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:17.06099Z"}],"nvd":[{"id":"CVE-2023-41471","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","status":"disputed","published":"2025-08-29T19:15:32.31Z","modified":"2026-06-17T06:22:10.7Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:21.774456Z"}],"osv":[{"id":"CVE-2023-41471","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","status":"published","published":"2025-08-29T00:00:00Z","modified":"2026-10-28T02:30:37.980454919Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:33.244128Z"},{"id":"PYSEC-2025-240","description":"Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.","status":"published","published":"2025-08-29T19:15:32.31Z","modified":"2026-07-13T07:15:20.464214268Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"}]}}