CVE-2022-26497

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.

• CVE ID
• CVE-2022-26497

• Assigner
• cve@mitre.org

• Vulnerability Status
• Analyzed

• Published Version
• 2022-06-02T18:15:09

• Last Modified Date
• 2022-06-11T03:18:25

• Version
• 2.0

• Vector String
• AV:N/AC:M/Au:S/C:N/I:P/A:N

• Access Vector
• NETWORK

• Access Compatibility
• MEDIUM

• Authentication
• SINGLE

• Confidentiality Impact
• NONE

• Integrity Impact
• PARTIAL

• Availability Impact
• NONE

• Base Score
• 3.5

• Severity
• LOW

• Exploitability Score
• 6.8

• Impact Score
• 2.9

• Version
• 3.1

• Vector String
• CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

• Attack Vector
• NETWORK

• Attack Compatibility
• LOW

• Privileges Required
• LOW

• User Interaction
• REQUIRED

• Scope
• CHANGED

• Confidentiality Impact
• LOW

• Availability Impact
• NONE

• Base Score
• 5.4

• Base Severity
• MEDIUM

• Exploitability Score
• 2.3

• Impact Score
• 2.7