GHSA-W3CV-3C36-H8J2

Vulnerability from github – Published: 2022-06-03 00:00 – Updated: 2022-06-12 00:00
VLAI?
Details

BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the "Share room access" dialog if the victim has shared access to the particular room with the attacker previously.

Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2022-26497"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-06-02T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the \"Share room access\" dialog if the victim has shared access to the particular room with the attacker previously.",
  "id": "GHSA-w3cv-3c36-h8j2",
  "modified": "2022-06-12T00:00:46Z",
  "published": "2022-06-03T00:00:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26497"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352"
    },
    {
      "type": "WEB",
      "url": "https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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