{"cve":"CVE-2021-43331","nvd":{"published":"2021-11-12T21:15:07.853","modified":"2026-06-17T04:10:51.700","status":"Modified","description":"In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://bugs.launchpad.net/mailman/+bug/1949401","https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html","https://mail.python.org/archives/list/mailman-announce%40python.org/message/I2X7PSFXIEPLM3UMKZMGOEO3UFYETGRL/","https://bugs.launchpad.net/mailman/+bug/1949401","https://lists.debian.org/debian-lts-announce/2022/06/msg00011.html"],"products":["debian:debian_linux","gnu:mailman"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-43331","score":0.01381,"percentile":0.72142,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}