Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bigbluebutton | Bigbluebutton | <= 2.4.7 |
Related Weaknesses (CWE)
References
- https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/Third Party Advisory
- https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/Third Party Advisory
FAQ
What is CVE-2022-27238?
CVE-2022-27238 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 p...
How severe is CVE-2022-27238?
CVE-2022-27238 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-27238?
Check the references section above for vendor advisories and patch information. Affected products include: Bigbluebutton Bigbluebutton.