{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "72d5e54e3eb3cd442d23dc097158fe81f1efda82"
            },
            {
              "fixed": "e2a2fdc5500192c603ae888a67dca0affdf00d7c"
            }
          ],
          "repo": "https://github.com/bigbluebutton/bigbluebutton",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-8m2p-7qv3-qff7"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31065.json"
  },
  "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.",
  "id": "CVE-2022-31065",
  "modified": "2026-04-01T23:09:44.516492056Z",
  "published": "2022-06-27T19:45:21Z",
  "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"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross site scripting vulnerability for private chat in bigbluebutton"
}