{"action":"Upgrade cadwyn to 5.4.3 or later.","affected":[{"fixed":"5.4.3","introduced":"0"}],"component":"cadwyn","cve_ids":["CVE-2025-53528"],"ecosystem":"PyPI","epss":0.00278,"exploited":false,"fixed_versions":["5.4.3"],"ghsa_id":"GHSA-2gxp-6r36-m97r","id":"tcs_01M5KGPVA8AQCEZ2DC2V445GSZ","modified_at":"2025-07-23T16:12:16.996891Z","published_at":"2025-07-21T21:15:25Z","references":["https://osv.dev/vulnerability/PYSEC-2025-71","https://github.com/zmievsa/cadwyn/security/advisories/GHSA-2gxp-6r36-m97r","https://github.com/zmievsa/cadwyn/commit/b424ecd57cd8dabbc8fe39b8f8ccafea629c7728"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2025-71","url":"https://osv.dev/vulnerability/PYSEC-2025-71"}],"summary":"Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the \"/docs\" endpoint is vulnerable to a Reflected XSS"}