{"id":"CVE-2021-42751","aliases":["EUVD-2021-29709","GHSA-cm2p-96gm-hwf2"],"status":"published","title":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote...","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.03207,"percentile":0.8834,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2022-08-12T16:52:47Z","modified":"2026-10-20T10:54:06Z","exploits":[{"source":"exploitdb","id":"EDB-51004","title":"ThingsBoard 3.3.1 'description' - Stored Cross-Site Scripting (XSS)","type":"webapps","platform":"multiple","date":"2022-08-09","url":"https://www.exploit-db.com/exploits/51004"}],"products":[{"vendor":"thingsboard","product":"thingsboard"}],"references":[{"url":"https://github.com/thingsboard/thingsboard","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","package"]},{"url":"https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42751"},{"url":"https://github.com/advisories/GHSA-cm2p-96gm-hwf2"}],"sources":{"cve":[{"id":"CVE-2021-42751","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","status":"published","published":"2022-08-12T16:52:47Z","modified":"2024-08-04T03:38:50.217Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29709","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","status":"published","published":"2022-08-12T16:52:47Z","modified":"2024-08-04T03:38:50Z","updated_at":"2026-11-03T03:24:15.299027Z"}],"ghsa":[{"id":"GHSA-cm2p-96gm-hwf2","title":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote...","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","status":"published","published":"2022-08-13T00:00:24Z","modified":"2023-01-27T05:06:48Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:42:59.735626Z"}],"nvd":[{"id":"CVE-2021-42751","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","status":"published","published":"2022-08-12T17:15:08.627Z","modified":"2026-06-17T04:10:04.153Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-42751","description":"A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the description of a rule node.","status":"published","published":"2022-08-12T17:15:08.627Z","modified":"2026-10-20T10:54:06.018111718Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"}]}}