{"id":"CVE-2020-7702","aliases":["EUVD-2021-1038","GHSA-c7m7-4257-h698"],"status":"published","title":"Prototype Pollution","description":"All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.","severity":{"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/E:P/RL:U/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01933,"percentile":0.80186,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321","CWE-915"],"published":"2020-08-17T13:50:11Z","modified":"2026-06-17T03:25:17Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"templ8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.0.44"}]}]},{"source":"osv","ecosystem":"npm","package":"templ8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.0.44"}]}]}],"products":[{"vendor":"templ8_project","product":"templ8"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-TEMPL8-598770","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7702","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c7m7-4257-h698"}],"sources":{"cve":[{"id":"CVE-2020-7702","title":"Prototype Pollution","description":"All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.","status":"published","published":"2020-08-17T13:50:11.204Z","modified":"2024-09-16T20:46:36.874Z","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/E:P/RL:U/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2021-1038","description":"All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.","status":"published","published":"2020-08-17T13:50:11Z","modified":"2024-09-16T20:46:36Z","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/E:P/RL:U/RC:C","level":"critical"}],"updated_at":"2026-11-03T00:55:11.287524Z"}],"ghsa":[{"id":"GHSA-c7m7-4257-h698","title":"Prototype Pollution in templ8","description":"All versions of package templ8 up to and including 0.0.44 are vulnerable to Prototype Pollution via the parse function.","status":"published","published":"2021-05-06T17:29:13Z","modified":"2023-01-27T05:09:02Z","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"}],"cwes":["CWE-915","CWE-1321"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2020-7702","description":"All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.","status":"published","published":"2020-08-17T14:15:13.793Z","modified":"2026-06-17T03:25:17.607Z","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","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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"GHSA-c7m7-4257-h698","title":"Prototype Pollution in templ8","description":"All versions of package templ8 up to and including 0.0.44 are vulnerable to Prototype Pollution via the parse function.","status":"published","published":"2021-05-06T17:29:13Z","modified":"2023-11-08T04:04:05.744625Z","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"}],"cwes":["CWE-1321","CWE-915"],"updated_at":"2026-11-02T15:46:44.571161Z"}]}}