{"id":"GHSA-fpv7-hx6r-9vcx","summary":"Mezzanine Cross Site Scripting (XSS) vulnerability","details":"Cross Site Scripting (XSS) in Mezzanine v4.3.1 allows remote attackers to execute arbitrary code via the `Description` field of the component `admin/blog/blogpost/add/`. This issue is different than CVE-2018-16632.","aliases":["CVE-2020-19002","PYSEC-2021-343"],"modified":"2026-06-10T18:45:51Z","published":"2022-05-24T19:12:23Z","database_specific":{"nvd_published_at":"2021-08-27T19:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2024-04-29T14:27:01Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-19002"},{"type":"WEB","url":"https://github.com/stephenmcd/mezzanine/issues/1921"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/mezzanine/PYSEC-2021-343.yaml"},{"type":"PACKAGE","url":"https://github.com/stephenmcd/mezzanine"},{"type":"WEB","url":"https://github.com/stephenmcd/mezzanine/blob/v6.0.0/mezzanine/blog/templates/blog/blog_post_list.html#L112"}],"affected":[{"package":{"name":"mezzanine","ecosystem":"PyPI","purl":"pkg:pypi/mezzanine"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.0.0"}]}],"versions":["0.1","0.1.1","0.1.2","0.1.3","0.1.4","0.10","0.10.1","0.10.2","0.10.3","0.10.4","0.10.5","0.10.6","0.11","0.11.1","0.11.10","0.11.2","0.11.3","0.11.4","0.11.5","0.11.6","0.11.7","0.11.8","0.11.9","0.12","0.12.1","0.12.2","0.12.3","0.12.4","0.12.5","0.2","0.2.1","0.2.2","0.2.3","0.2.4","0.3.0","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.4","0.5.1","0.5.2","0.5.3","0.5.4","0.6","0.6.1","0.6.2","0.6.3","0.6.4","0.7","0.7.2","0.8","0.8.1","0.8.2","0.8.3","0.8.4","0.8.5","0.9","0.9.1","1.0.0","1.0.1","1.0.10","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.3.0","1.4.0","1.4.1","1.4.10","1.4.11","1.4.12","1.4.13","1.4.14","1.4.15","1.4.16","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.10","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9","4.0.0","4.0.1","4.1.0","4.2.0","4.2.1","4.2.2","4.2.3","4.3.0","4.3.1","5.0.0","5.0.0a1","5.0.0rc1","5.1.0","5.1.1","5.1.2","5.1.3","5.1.4","6.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-fpv7-hx6r-9vcx/GHSA-fpv7-hx6r-9vcx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}]}