{"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":"2026-08-12T03:51:13.070945662Z","published":"2022-06-27T19:45:21Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31065.json","cna_assigner":"GitHub_M"},"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"},{"introduced":"c67ad7390c02018ec9f71ee67e528e9f3fc6ea6f"},{"last_affected":"60d46e4ae5da027cac2b5e2302d9b931cd432402"}],"database_specific":{"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*","cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.0:*:*:*:*:*:*:*","cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.9:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.4"},{"fixed":"2.4.8"},{"introduced":"2.3.0"},{"last_affected":"2.3.0"},{"introduced":"2.4.9"},{"last_affected":"2.4.9"}]}}],"versions":["2.3.0","2.4.9","v2.4.9","v2.4.8","v2.4.7","v2.4.6","v2.4.5","v2.4.3","v2.4.4","v2.4.2","v2.4.1","v2.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31065.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"}]}