{"id":"CVE-2020-18699","aliases":["PYSEC-2021-340"],"url":"https://o3.security/vulnerability/CVE-2020-18699","summary":"Lin-CMS-Flask Cross Site Scripting (XSS) vulnerability","details":"Cross Site Scripting (XSS) in Lin-CMS-Flask v0.1.1 allows remote attackers to execute arbitrary code by entering scripts in the the 'Username' parameter of the in component 'app/api/cms/user.py'.","published":"2022-05-24T19:11:15Z","modified":"2026-06-10T18:45:39Z","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":1,"affectedPackages":[{"ecosystem":"PyPI","name":"lin-cms","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18699"},{"type":"WEB","url":"https://github.com/TaleLin/lin-cms-flask/issues/28"},{"type":"PACKAGE","url":"https://github.com/TaleLin/lin-cms-flask"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/lin-cms/PYSEC-2021-340.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-06-10T18:45:39Z"}}