{"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":"2026-04-10T04:34:52.978870Z","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-lite","events":[{"introduced":"0"},{"last_affected":"5db0c8d1cfc3f354a5a8badce6d5c3890d428e98"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.8.13"}]}}],"versions":["1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.2.0","1.2.1","1.2.12","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.9","1.3.0","1.4.0","1.4.1","1.5.1","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.6.0","1.6.1","1.6.2","1.8.10","1.8.11","1.8.12","1.8.13","1.8.6","1.8.7","1.8.8","1.8.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34816.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}