{"action":"Upgrade wagtail to 2.11.7 or later.","affected":[{"fixed":"2.11.7","introduced":"0"},{"fixed":"2.12.4","introduced":"2.12"}],"component":"wagtail","cve_ids":["CVE-2021-29434"],"ecosystem":"PyPI","epss":0.00626,"exploited":false,"fixed_versions":["2.11.7","2.12.4"],"ghsa_id":"GHSA-wq5h-f9p5-q7fx","id":"tcs_01M5KG2NN4QNXNVW9AZWNMPYE1","modified_at":"2026-09-10T03:49:26.868402781Z","published_at":"2021-04-20T14:02:30Z","references":["https://osv.dev/vulnerability/GHSA-wq5h-f9p5-q7fx","https://github.com/wagtail/wagtail/security/advisories/GHSA-wq5h-f9p5-q7fx","https://nvd.nist.gov/vuln/detail/CVE-2021-29434","https://github.com/wagtail/wagtail/commit/5c7a60977cba478f6a35390ba98cffc2bd41c8a4","https://github.com/wagtail/wagtail/commit/915f6ed2bd7d53154103cc4424a0f18695cdad6c","https://github.com/pypa/advisory-database/tree/main/vulns/wagtail/PYSEC-2021-114.yaml","https://github.com/wagtail/wagtail","https://github.com/wagtail/wagtail/compare/v2.11.6...v2.11.7","https://pypi.org/project/wagtail"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-wq5h-f9p5-q7fx","url":"https://osv.dev/vulnerability/GHSA-wq5h-f9p5-q7fx"}],"summary":"Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields"}