CVE-2022-31064

Public Exploit
Cross site scripting in username that will trigger by sending chat

Description

BigBlueButton is an open source web conferencing system. Users in meetings with private chat enabled are vulnerable to a cross site scripting attack in affected versions. The attack occurs when the attacker (with xss in the name) starts a chat. in the victim's client the JavaScript will be executed. This issue has been addressed in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory pentests.nl
Affected: bigbluebutton bigbluebutton
Published at:
Updated at:

References

Link Tags
https://github.com/bigbluebutton/bigbluebutton/pull/15090 third party advisory patch
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87 third party advisory patch
https://github.com/bigbluebutton/bigbluebutton/pull/15067 release notes third party advisory patch
https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/ third party advisory exploit
http://seclists.org/fulldisclosure/2022/Jun/52 mailing list exploit third party advisory
http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-31064?
CVE-2022-31064 has been scored as a medium severity vulnerability.
How to fix CVE-2022-31064?
To fix CVE-2022-31064, 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-2022-31064 being actively exploited in the wild?
It is possible that CVE-2022-31064 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-31064?
CVE-2022-31064 affects bigbluebutton bigbluebutton.
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