{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:eclipse:theia:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.8.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "055175566b279cded090f634c6672d17e067f904"
            }
          ],
          "repo": "https://github.com/eclipse-theia/theia",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "In Eclipse Theia versions up to and including 1.8.0, in the debug console there is no HTML escaping, so arbitrary Javascript code can be injected.",
  "id": "CVE-2021-28161",
  "modified": "2026-08-07T11:31:26.234524718Z",
  "published": "2021-03-12T22:15:15.077Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/eclipse-theia/theia/issues/8794"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}