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CVE ID: CVE-2022-27238

Last updated: July 5, 2022, 9:01 p.m.

Severity: LOW

Description

BigBlueButton version 2.4.7 (or earlier) is vulnerable to stored Cross-Site Scripting (XSS) in the private chat functionality. A threat actor could inject JavaScript payload in his/her username. The payload gets executed in the browser of the victim each time the attacker sends a private message to the victim or when notification about the attacker leaving room is displayed.

Severity score: 2.9 Base score: 3.5 Exploitability score: 6.8 Confidentiality impact: NONE Integrity impact: PARTIAL User interaction required: True Published: June 24, 2022, 4:15 p.m. Data type: CVE Data format: MITRE Assigner: cve@mitre.org Problem type: CWE-79 Reference url: https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/ Reference name: https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/ Reference source: MISC CVE version: 2.0 Vector string: AV:N/AC:M/Au:S/C:N/I:P/A:N Access vector: NETWORK Access complexity: MEDIUM Authentication: SINGLE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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