{"id":"CVE-2021-3351","aliases":["EUVD-2021-26682","GHSA-j8m5-9cg8-j3mm"],"status":"published","title":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's...","description":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0052,"percentile":0.44614,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-02T05:22:23Z","modified":"2026-06-17T04:04:59Z","products":[{"vendor":"openplcproject","product":"openplc"}],"references":[{"url":"https://www.youtube.com/watch?v=eSAqXq4m8so","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3351"},{"url":"https://github.com/advisories/GHSA-j8m5-9cg8-j3mm"}],"sources":{"cve":[{"id":"CVE-2021-3351","description":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.","status":"published","published":"2021-08-02T05:22:23Z","modified":"2024-08-03T16:53:17.366Z","updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26682","description":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.","status":"published","published":"2021-08-02T05:22:23Z","modified":"2024-08-03T16:53:17Z","updated_at":"2026-11-03T03:25:13.052236Z"}],"ghsa":[{"id":"GHSA-j8m5-9cg8-j3mm","title":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's...","description":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.","status":"published","published":"2022-05-24T19:09:40Z","modified":"2023-01-30T05:01:12Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:21.550142Z"}],"nvd":[{"id":"CVE-2021-3351","description":"OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.","status":"published","published":"2021-08-02T06:15:07.53Z","modified":"2026-06-17T04:04:59.377Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.185362Z"}]}}