{"id":"CVE-2020-28450","aliases":["EUVD-2021-0836","GHSA-j32x-j8pj-pg2h"],"status":"published","title":"Prototype Pollution","description":"This affects all versions of package decal. The vulnerability is in the extend function.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01781,"percentile":0.78446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321","CWE-400","CWE-94"],"published":"2021-02-04T14:40:16Z","modified":"2026-06-17T03:10:28Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"decal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.1.3"}]}]},{"source":"osv","ecosystem":"npm","package":"decal","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.1.3"}]}]}],"products":[{"vendor":"decal_project","product":"decal"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-DECAL-1051028","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://www.npmjs.com/package/decal","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","web"]},{"url":"https://github.com/gigafied/decal.js/blob/master/src/utils/extend.js%23L23-L56","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28450","tags":["advisory"]},{"url":"https://github.com/gigafied/decal.js/blob/master/src/utils/extend.js#L23-L56","tags":["web"]},{"url":"https://github.com/advisories/GHSA-j32x-j8pj-pg2h"}],"sources":{"cve":[{"id":"CVE-2020-28450","title":"Prototype Pollution","description":"This affects all versions of package decal. The vulnerability is in the extend function.","status":"published","published":"2021-02-04T14:40:16.022Z","modified":"2024-09-17T01:56:19.016Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2021-0836","description":"This affects all versions of package decal. The vulnerability is in the extend function.","status":"published","published":"2021-02-04T14:40:16Z","modified":"2024-09-17T01:56:19Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:45.29969Z"}],"ghsa":[{"id":"GHSA-j32x-j8pj-pg2h","title":"Prototype Pollution in decal","description":"This affects all versions of package decal. The vulnerability is in the extend function.","status":"published","published":"2021-04-13T15:20:34Z","modified":"2023-09-05T22:53:35Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-94","CWE-400","CWE-1321"],"updated_at":"2026-11-02T14:37:02.632342Z"}],"nvd":[{"id":"CVE-2020-28450","description":"This affects all versions of package decal. The vulnerability is in the extend function.","status":"published","published":"2021-02-04T15:15:13.187Z","modified":"2026-06-17T03:10:28.58Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"GHSA-j32x-j8pj-pg2h","title":"Prototype Pollution in decal","description":"This affects all versions of package decal. The vulnerability is in the extend function.","status":"published","published":"2021-04-13T15:20:34Z","modified":"2023-11-08T04:03:26.773331Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-1321","CWE-400","CWE-94"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}