{"id":"CVE-2021-25963","aliases":["GHSA-5pcx-vqjp-p34w","PYSEC-2021-350"],"url":"https://o3.security/vulnerability/CVE-2021-25963","summary":"Cross-site Scripting in shuup","details":"In Shuup, versions 1.6.0 through 2.10.8 are vulnerable to reflected Cross-Site Scripting (XSS) that allows execution of arbitrary javascript code on a victim browser. This vulnerability exists due to the error page contents not escaped.","published":"2021-09-30T08:15:06.357Z","modified":"2026-07-08T21:27:17.593509Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"shuup","fixedVersion":"2.11.0"}],"fix":{"url":"https://github.com/shuup/shuup/commit/75714c37e32796eb7cbb0d977af5bcaa26573588","label":"shuup/shuup@75714c3"},"references":[{"type":"ADVISORY","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25963"},{"type":"FIX","url":"https://github.com/shuup/shuup/commit/75714c37e32796eb7cbb0d977af5bcaa26573588"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:27:17.593509Z"}}