{"id":"CVE-2022-31064","summary":"Cross site scripting in username that will trigger by sending chat","details":"BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with xss in the name) starts a chat. in the victim's client the JavaScript will be executed. This issue has been addressed in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.","aliases":["GHSA-hwv2-5pf5-hr87"],"modified":"2026-04-10T04:47:44.728014Z","published":"2022-06-27T19:50:14Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31064.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-79"]},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31064.json"},{"type":"ADVISORY","url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31064"},{"type":"FIX","url":"https://github.com/bigbluebutton/bigbluebutton/pull/15067"},{"type":"FIX","url":"https://github.com/bigbluebutton/bigbluebutton/pull/15090"},{"type":"ARTICLE","url":"http://seclists.org/fulldisclosure/2022/Jun/52"},{"type":"ARTICLE","url":"https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bigbluebutton/bigbluebutton","events":[{"introduced":"72d5e54e3eb3cd442d23dc097158fe81f1efda82"},{"fixed":"e2a2fdc5500192c603ae888a67dca0affdf00d7c"}]}],"versions":["v2.4.0","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31064.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"}]}