{"action":"Upgrade wagtail to 7.3.3 or later.","affected":[{"fixed":"7.3.3","introduced":"7.3"},{"fixed":"7.4.2","introduced":"7.4"}],"component":"wagtail","cve_ids":["CVE-2026-54263"],"ecosystem":"PyPI","epss":0.00361,"exploited":false,"fixed_versions":["7.3.3","7.4.2"],"ghsa_id":"GHSA-23m2-mghx-vqmf","id":"tcs_01M5KERN1Z69YKYPSC7XA54DR6","modified_at":"2026-08-20T18:45:16.190340792Z","published_at":"2026-08-20T18:40:26Z","references":["https://osv.dev/vulnerability/GHSA-23m2-mghx-vqmf","https://github.com/wagtail/wagtail/security/advisories/GHSA-23m2-mghx-vqmf","https://nvd.nist.gov/vuln/detail/CVE-2026-54263","https://github.com/pypa/advisory-database/tree/main/vulns/wagtail/PYSEC-2026-616.yaml","https://github.com/wagtail/wagtail"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"GHSA-23m2-mghx-vqmf","url":"https://osv.dev/vulnerability/GHSA-23m2-mghx-vqmf"}],"summary":"Wagtail: Reflected XSS in dynamic image URL generator view"}