{"id":"CVE-2021-23419","aliases":["EUVD-2021-2057","GHSA-g452-6rfc-vrvx","SNYK-JS-OPENGRAPH-1536747"],"status":"published","title":"Prototype Pollution","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01113,"percentile":0.6642,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-915"],"published":"2021-08-08T07:30:12Z","modified":"2026-10-20T10:54:32Z","fixes":[{"ecosystem":"npm","package":"open-graph","fixed_in":["0.2.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"open-graph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.6"}]}]},{"source":"osv","ecosystem":"npm","package":"open-graph","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.2.6"}]}]}],"products":[{"vendor":"open-graph_project","product":"open-graph"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23419","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g452-6rfc-vrvx"},{"url":"https://github.com/samholmes/node-open-graph","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-23419","title":"Prototype Pollution","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-08-08T07:30:12.077Z","modified":"2024-09-16T18:39:41.932Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-2057","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-08-08T07:30:12Z","modified":"2024-09-16T18:39:41Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:55:30.209098Z"}],"ghsa":[{"id":"GHSA-g452-6rfc-vrvx","title":"Prototype Pollution in open-graph","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-09-01T18:31:53Z","modified":"2023-01-27T05:07:37Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-915","CWE-1321"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2021-23419","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-08-08T08:15:06.15Z","modified":"2026-06-17T03:38:43.737Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:56.562207Z"}],"osv":[{"id":"CVE-2021-23419","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-08-08T08:15:06.15Z","modified":"2026-10-20T10:54:32.610349662Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-g452-6rfc-vrvx","title":"Prototype Pollution in open-graph","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","status":"published","published":"2021-09-01T18:31:53Z","modified":"2026-09-10T03:49:15.793691963Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-1321","CWE-915"],"updated_at":"2026-11-02T15:46:47.119724Z"}]}}