{"id":"CVE-2021-34817","details":"A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.","modified":"2026-07-07T08:51:42.113012168Z","published":"2021-07-19T14:15:08.150Z","database_specific":{"unresolved_ranges":[{"vendor_product":"etherpad:etherpad","cpes":["cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.8.13"},{"last_affected":"1.8.13"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"},{"type":"FIX","url":"https://etherpad.org/#download"},{"type":"FIX","url":"https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"},{"type":"FIX","url":"https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ether/etherpad","events":[{"introduced":"0"},{"fixed":"a7968115581e20ef47a533e030f59f830486bdfa"},{"fixed":"571b37b772c324d6f5eddcd3aecf3e02ffcac1c3"}],"database_specific":{"source":"REFERENCES"}}],"versions":["1.8.13","1.8.12","1.8.11","1.8.10","1.8.9","1.8.8","1.8.7","1.8.6","1.6.2","1.6.1","1.6.0","1.5.7","1.5.6","1.5.5","1.5.4","1.5.3","1.5.2","1.5.1","1.4.1","1.4.0","1.3.0","1.2.12","1.2.9","1.2.7","1.2.6","1.2.5","1.2.4","1.2.3","1.2.2","1.2.1","1.2.0","1.1.5","1.1.4","1.1.3","1.1.2","1.1.1","1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-34817.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}