Vulnerability Details : CVE-2022-31064
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2022-31064
- cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:beta1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha6:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha5:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha4:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha3:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:beta2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:rc.1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:rc.2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:rc.3:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:rc.4:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31064
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31064
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:N/AC:H/Au:S/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L |
2.3
|
3.7
|
GitHub, Inc. |
CWE ids for CVE-2022-31064
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: security-advisories@github.com (Primary)
References for CVE-2022-31064
-
https://github.com/bigbluebutton/bigbluebutton/pull/15090
fix: Remove use of innerHTML, dangerouslySetInnerHTML etc by Tainan404 · Pull Request #15090 · bigbluebutton/bigbluebutton · GitHubPatch;Third Party Advisory
-
https://github.com/bigbluebutton/bigbluebutton/pull/15067
refactor: Remove inner html by Tainan404 · Pull Request #15067 · bigbluebutton/bigbluebutton · GitHubPatch;Release Notes;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Jun/52
Full Disclosure: BigBlueButton - Stored XSS in username (CVE-2022-31064)Exploit;Mailing List;Third Party Advisory
-
https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
Stored Cross-Site Scripting (XSS) in BigBlueButtonExploit;Third Party Advisory
-
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
XSS in username that will trigger by sending chat · Advisory · bigbluebutton/bigbluebutton · GitHubPatch;Third Party Advisory
-
http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html
BigBlueButton 2.3 / 2.4.7 Cross Site Scripting ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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