CVE-2021-4143

Public Exploit
Cross-site Scripting (XSS) - Generic in bigbluebutton/bigbluebutton

Description

Cross-site Scripting (XSS) - Generic in GitHub repository bigbluebutton/bigbluebutton prior to 2.4.0.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.29%
Third-Party Advisory github.com Third-Party Advisory huntr.dev
Affected: bigbluebutton bigbluebutton/bigbluebutton
Published at:
Updated at:

References

Link Tags
https://huntr.dev/bounties/e67603e6-8497-4ab6-b93a-02c26407d443 exploit third party advisory patch
https://github.com/bigbluebutton/bigbluebutton/commit/62040bdcb3c2f993ba72ab89f4db2015e18d1706 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-4143?
CVE-2021-4143 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4143?
To fix CVE-2021-4143, 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-2021-4143 being actively exploited in the wild?
It is possible that CVE-2021-4143 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-2021-4143?
CVE-2021-4143 affects bigbluebutton bigbluebutton/bigbluebutton.
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