Stored Cross-Site Scripting Vulnerability in BigBlueButton by Blindside Networks
CVE-2022-27238

5.4MEDIUM

Key Information:

Vendor

Bigbluebutton

Status
Bigbluebutton
Vendor
CVE Published:
24 June 2022

What is CVE-2022-27238?

BigBlueButton version 2.4.7 and earlier is susceptible to a stored Cross-Site Scripting vulnerability in its private chat feature. This flaw allows attackers to embed malicious JavaScript within their usernames. When a private message is sent, or when notifications about the attacker’s status changes are displayed, the injected script executes in the victim's browser, potentially compromising their security.

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References

https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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