{"id":"CVE-2021-34816","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.","modified":"2026-08-27T08:40:38.436523Z","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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ether/etherpad","events":[{"introduced":"5db0c8d1cfc3f354a5a8badce6d5c3890d428e98"},{"last_affected":"5db0c8d1cfc3f354a5a8badce6d5c3890d428e98"}],"database_specific":{"extracted_events":[{"introduced":"1.8.13"},{"last_affected":"1.8.13"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*"}}],"versions":["1.8.13"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34816.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}