{"id":"PYSEC-2026-626","summary":"Cross-site scripting in Contentful","details":"Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.","aliases":["CVE-2020-13258","GHSA-g5j6-r3x9-gf2m"],"modified":"2026-07-06T08:00:11.701015253Z","published":"2026-07-02T14:13:10.258627Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13258"},{"type":"WEB","url":"https://github.com/contentful/the-example-app.py/issues/44"},{"type":"PACKAGE","url":"https://pypi.org/project/contentful"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-g5j6-r3x9-gf2m"}],"affected":[{"package":{"name":"contentful","ecosystem":"PyPI","purl":"pkg:pypi/contentful"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.4"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.1.0","1.1.1","1.10.1","1.10.2","1.11.1","1.11.2","1.11.3","1.11.4","1.12.0","1.12.1","1.12.2","1.12.3","1.2.0","1.3.0","1.4.1","1.4.2","1.4.3","1.5.0","1.6.0","1.7.0","1.8.0","1.9.0","1.9.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/contentful/PYSEC-2026-626.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}