{"id":"CVE-2021-42751","details":"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.","modified":"2026-04-10T04:39:13.869365Z","published":"2022-08-12T17:15:08.627Z","references":[{"type":"PACKAGE","url":"https://github.com/thingsboard/thingsboard"},{"type":"EVIDENCE","url":"https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-Scripting.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/thingsboard/thingsboard","events":[{"introduced":"0"},{"last_affected":"a7c439feea71826e6e43b31fd2ab243e201c6316"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.3.1"}]}}],"versions":["v1.0","v1.2.1","v1.3.1","v2.0","v2.0.1","v2.0.2","v2.0.3","v2.1","v3.3","v3.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42751.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"}]}