{"cve":"CVE-2023-44463","nvd":{"published":"2023-10-02T20:15:10.277","modified":"2026-06-17T06:27:41.310","status":"Modified","description":"An issue was discovered in pretix before 2023.7.1. Incorrect parsing of configuration files causes the application to trust unchecked X-Forwarded-For headers even though it has not been configured to do so. This can lead to IP address spoofing by users of the application.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-290"],"references":["https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469","https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1","https://github.com/pretix/pretix/tags","https://pretix.eu/about/en/blog/20230911-release-2023-7-1/","https://pretix.eu/about/en/ticketing"],"products":["rami:pretix"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-44463","score":0.00637,"percentile":0.50568,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j9gq-w73w-9h6c","url":"https://osv.dev/vulnerability/GHSA-j9gq-w73w-9h6c","summary":"pretix potential IP address spoofing vulnerability","modified":"2024-10-21T21:00:52.473645Z","packages":[{"ecosystem":"PyPI","name":"pretix","purl":"pkg:pypi/pretix","ranges":["<2023.7.1"],"fixed":["2023.7.1"]}]},{"id":"PYSEC-2023-187","url":"https://osv.dev/vulnerability/PYSEC-2023-187","summary":"","modified":"2026-06-10T17:01:42.615875763Z","packages":[{"ecosystem":"PyPI","name":"pretix","purl":"pkg:pypi/pretix","ranges":["<2023.7.1"],"fixed":["2023.7.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}