{"id":"CVE-2022-31065","summary":"Cross site scripting vulnerability for private chat in bigbluebutton","details":"BigBlueButton is an open source web conferencing system. In affected versions an attacker can embed malicious JS in their username and have it executed on the victim's client. When a user receives a private chat from the attacker (whose username contains malicious JavaScript), the script gets executed. Additionally when the victim receives a notification that the attacker has left the session. This issue has been patched in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.","aliases":["GHSA-8m2p-7qv3-qff7"],"modified":"2026-04-10T04:47:44.960161Z","published":"2022-06-27T19:45:21Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31065.json","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31065.json"},{"type":"ADVISORY","url":"https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31065"},{"type":"FIX","url":"https://github.com/bigbluebutton/bigbluebutton/pull/15087"},{"type":"FIX","url":"https://github.com/bigbluebutton/bigbluebutton/pull/15090"}],"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-2022-31065.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"}]}