{"id":"CVE-2021-34816","aliases":["EUVD-2021-21463","GHSA-4w5m-3w7v-8phf"],"status":"published","title":"An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users...","description":"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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02229,"percentile":0.82885,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2021-07-21T18:02:01Z","modified":"2026-10-20T10:54:45Z","products":[{"vendor":"etherpad","product":"etherpad"}],"references":[{"url":"https://github.com/ether/etherpad-lite/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34816"},{"url":"https://github.com/advisories/GHSA-4w5m-3w7v-8phf"}],"sources":{"cve":[{"id":"CVE-2021-34816","description":"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.","status":"published","published":"2021-07-21T18:02:01Z","modified":"2024-08-04T00:26:54.051Z","updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21463","description":"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.","status":"published","published":"2021-07-21T18:02:01Z","modified":"2024-08-04T00:26:54Z","updated_at":"2026-11-03T03:24:31.977228Z"}],"ghsa":[{"id":"GHSA-4w5m-3w7v-8phf","title":"An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users...","description":"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.","status":"published","published":"2022-05-24T19:08:31Z","modified":"2023-01-30T05:00:53Z","cwes":["CWE-88"],"updated_at":"2026-11-02T14:46:17.724191Z"}],"nvd":[{"id":"CVE-2021-34816","description":"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.","status":"published","published":"2021-07-21T18:15:09.733Z","modified":"2026-06-17T03:56:37.32Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:06:56.185362Z"}],"osv":[{"id":"CVE-2021-34816","description":"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.","status":"published","published":"2021-07-21T18:15:09.733Z","modified":"2026-10-20T10:54:45.499015962Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}