{"id":"CVE-2021-42650","aliases":["EUVD-2021-29613","GHSA-v3j8-q37p-7695"],"status":"published","title":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box...","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","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":0.00626,"percentile":0.50341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-18T20:53:13Z","modified":"2026-10-20T10:54:05Z","products":[{"vendor":"portainer","product":"portainer"}],"references":[{"url":"https://github.com/portainer/portainer/pull/5766","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/purple-WL/Security-vulnerability/blob/main/Portainer%20Custom%20Templates%20xss","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42650"},{"url":"https://github.com/advisories/GHSA-v3j8-q37p-7695"}],"sources":{"cve":[{"id":"CVE-2021-42650","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","status":"published","published":"2021-10-18T20:53:13Z","modified":"2024-08-04T03:38:49.305Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29613","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","status":"published","published":"2021-10-18T20:53:13Z","modified":"2024-08-04T03:38:49Z","updated_at":"2026-11-03T03:24:15.755984Z"}],"ghsa":[{"id":"GHSA-v3j8-q37p-7695","title":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box...","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","status":"published","published":"2022-05-24T19:17:45Z","modified":"2023-01-30T05:02:41Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:42.161058Z"}],"nvd":[{"id":"CVE-2021-42650","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","status":"published","published":"2021-10-18T21:15:08.77Z","modified":"2026-06-17T04:09:54.993Z","cvss":[{"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"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-42650","description":"Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.","status":"published","published":"2021-10-18T21:15:08.77Z","modified":"2026-10-20T10:54:05.308217901Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:44:21.557945Z"}]}}