{"id":"CVE-2021-44042","aliases":["EUVD-2021-30901","GHSA-vvrp-5qgw-cc82"],"status":"published","title":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the -...","description":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.","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","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01119,"percentile":0.66611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116","CWE-74"],"published":"2021-12-14T17:49:45Z","modified":"2026-06-17T04:11:50Z","products":[{"vendor":"uipath","product":"assistant"}],"references":[{"url":"https://docs.uipath.com/robot/docs/uipath-assistant","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://docs.uipath.com/robot/docs/release-notes-2021-10-4","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44042"},{"url":"https://github.com/advisories/GHSA-vvrp-5qgw-cc82"}],"sources":{"cve":[{"id":"CVE-2021-44042","description":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.","status":"published","published":"2021-12-14T17:49:45Z","modified":"2024-08-04T04:10:17.389Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-30901","description":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.","status":"published","published":"2021-12-14T17:49:45Z","modified":"2024-08-04T04:10:17Z","updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-vvrp-5qgw-cc82","title":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the -...","description":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.","status":"published","published":"2021-12-15T00:00:42Z","modified":"2023-01-27T05:01:11Z","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-74"],"updated_at":"2026-11-02T14:41:50.079409Z"}],"nvd":[{"id":"CVE-2021-44042","description":"An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.","status":"published","published":"2021-12-14T18:15:08.673Z","modified":"2026-06-17T04:11:50.377Z","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":"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-116"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}