CVE-2022-27238

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Third-Party Advisory mgm-sp.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-27238?
CVE-2022-27238 has been scored as a medium severity vulnerability.
How to fix CVE-2022-27238?
To fix CVE-2022-27238, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-27238 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-27238 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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