CVE-2022-31064

Summary

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.

Affected Software

Weaknesses

• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/bigbluebutton/bigbluebutton/pull/15090
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
• https://github.com/bigbluebutton/bigbluebutton/pull/15067
• https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
• http://seclists.org/fulldisclosure/2022/Jun/52
• http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/bigbluebutton/bigbluebutton/pull/15090
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-hwv2-5pf5-hr87
• https://github.com/bigbluebutton/bigbluebutton/pull/15067
• https://pentests.nl/pentest-blog/stored-xss-in-bigbluebutton/
• http://seclists.org/fulldisclosure/2022/Jun/52
• http://packetstormsecurity.com/files/167682/BigBlueButton-2.3-2.4.7-Cross-Site-Scripting.html

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