CVE-2022-31065

BigBlueButton is an open source web conferencing system. In affected versions an attacker can embed malicious JS in their username and have it executed on the victim's client. When a user receives a private chat from the attacker (whose username contains malicious JavaScript), the script gets executed. Additionally when the victim receives a notification that the attacker has left the session. This issue has been patched in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.

• CWE-79

• https://github.com/bigbluebutton/bigbluebutton/pull/15087Patch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/pull/15090Patch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7Patch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/pull/15087Patch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/pull/15090Patch, Third Party Advisory
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7Patch, Third Party Advisory

Published

Jun 27, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2022-3106An issue was discovered in the Linux kernel through 5.16-rc6…5.5
• CVE-2022-31060Discourse is an open-source discussion platform. Prior to ve…5.3
• CVE-2022-31061GLPI is a Free Asset and IT Management Software package, Dat…9.8
• CVE-2022-31062### Impact A plugin public script can be used to read conten…5.3
• CVE-2022-31063Tuleap is a Free & Open Source Suite to improve management o…5.4
• CVE-2022-31064BigBlueButton is an open source web conferencing system. Use…5.4
• CVE-2022-31066EdgeX Foundry is an open source project for building a commo…4.4
• CVE-2022-31068GLPI is a Free Asset and IT Management Software package, Dat…5.3
• CVE-2022-31069NestJS Proxy is a NestJS module to decorate and proxy calls.…7.5
• CVE-2022-3107An issue was discovered in the Linux kernel through 5.16-rc6…5.5
• CVE-2022-31070NestJS Proxy is a NestJS module to decorate and proxy calls.…7.5
• CVE-2022-31071Octopoller is a micro gem for polling and retrying. Version …3.3