{"id":"CVE-2020-13258","aliases":["EUVD-2021-1319","GHSA-g5j6-r3x9-gf2m","PYSEC-2026-626"],"status":"published","title":"Cross-site scripting in Contentful","description":"Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02063,"percentile":0.81521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-05-21T16:06:52Z","modified":"2026-07-06T08:11:07Z","exploits":[{"source":"nuclei","id":"CVE-2020-13258","title":"Contentful \u003c=2020-05-21 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13258.yaml"}],"fixes":[{"ecosystem":"PyPI","package":"contentful","fixed_in":["1.12.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"contentful","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.4"}]}]},{"source":"osv","ecosystem":"PyPI","package":"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"]},{"source":"osv","ecosystem":"PyPI","package":"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"]}],"products":[{"vendor":"contentful","product":"python_example"}],"references":[{"url":"https://github.com/contentful/the-example-app.py/issues/44","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13258","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g5j6-r3x9-gf2m","tags":["advisory"]},{"url":"https://pypi.org/project/contentful","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-13258","description":"Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.","status":"published","published":"2020-05-21T16:06:52Z","modified":"2024-08-04T12:11:19.471Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2021-1319","description":"Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py.","status":"published","published":"2020-05-21T16:06:52Z","modified":"2024-08-04T12:11:19Z","updated_at":"2026-11-03T03:07:38.311662Z"}],"ghsa":[{"id":"GHSA-g5j6-r3x9-gf2m","title":"Cross-site scripting in Contentful","description":"Contentful 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