{"url":"http://public2.vulnerablecode.io/api/packages/503840?format=json","purl":"pkg:npm/zrender@4.2.0","type":"npm","namespace":"","name":"zrender","version":"4.2.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"4.3.3","latest_non_vulnerable_version":"5.2.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/42453?format=json","vulnerability_id":"VCID-2tys-b3c5-pydh","summary":"Prototype Pollution in the merge and clone helper methods\n### Impact\nUsing `merge` and `clone` helper methods in the `src/core/util.ts` module will have prototype pollution. It will affect the popular data visualization library Apache ECharts, which is using and exported these two methods directly.\n\n### Patches\n \nIt has been patched in https://github.com/ecomfe/zrender/pull/826. \nUsers should update zrender to `5.2.1`.  and update echarts to `5.2.1` if project is using echarts.\n\n### References\nNA\n\n### For more information\nNA","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-39227","reference_id":"","reference_type":"","scores":[{"value":"0.00265","scoring_system":"epss","scoring_elements":"0.50145","published_at":"2026-05-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-39227"},{"reference_url":"https://github.com/ecomfe/zrender","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ecomfe/zrender"},{"reference_url":"https://github.com/ecomfe/zrender/pull/826","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ecomfe/zrender/pull/826"},{"reference_url":"https://github.com/ecomfe/zrender/releases/tag/5.2.1","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ecomfe/zrender/releases/tag/5.2.1"},{"reference_url":"https://github.com/ecomfe/zrender/security/advisories/GHSA-fhv8-fx5f-7fxf","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ecomfe/zrender/security/advisories/GHSA-fhv8-fx5f-7fxf"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39227","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39227"},{"reference_url":"https://github.com/advisories/GHSA-fhv8-fx5f-7fxf","reference_id":"GHSA-fhv8-fx5f-7fxf","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-fhv8-fx5f-7fxf"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/76551?format=json","purl":"pkg:npm/zrender@4.3.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/zrender@4.3.3"},{"url":"http://public2.vulnerablecode.io/api/packages/503844?format=json","purl":"pkg:npm/zrender@5.0.0-alpha.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/zrender@5.0.0-alpha.1"},{"url":"http://public2.vulnerablecode.io/api/packages/76548?format=json","purl":"pkg:npm/zrender@5.2.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/zrender@5.2.1"}],"aliases":["CVE-2021-39227","GHSA-fhv8-fx5f-7fxf"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2tys-b3c5-pydh"}],"fixing_vulnerabilities":[],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/zrender@4.2.0"}