{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.8.13"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5db0c8d1cfc3f354a5a8badce6d5c3890d428e98"
            }
          ],
          "repo": "https://github.com/ether/etherpad-lite",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users to execute arbitrary code on the server by installing plugins from an attacker-controlled source.",
  "id": "CVE-2021-34816",
  "modified": "2026-03-13T21:53:57.926161781Z",
  "published": "2021-07-21T18:15:09.733Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/ether/etherpad-lite/releases"
    },
    {
      "type": "EVIDENCE",
      "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}