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CVE-2023-43797 Details
Description
BigBlueButton is an open-source virtual classroom. Prior to versions 2.6.11 and 2.7.0-beta.3, Guest Lobby was vulnerable to cross-site scripting when users wait to enter the meeting due to inserting unsanitized messages to the element using unsafe innerHTML. Text sanitizing was added for lobby messages starting in versions 2.6.11 and 2.7.0-beta.3. There are no known workarounds.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 5, 2024Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/bigbluebutton/bigbluebutton/commit/304bc851a00558f99a908880f4ac44234a074c9d | CVE | PatchThird Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/pull/18392 | CVE | Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6wg-q866-h73x | CVE | Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/commit/304bc851a00558f99a908880f4ac44234a074c9d | [email protected] | PatchThird Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/pull/18392 | [email protected] | Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6wg-q866-h73x | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| bigbluebutton bigbluebutton | < 2.6.11 2.7.0 alpha1 2.7.0 alpha2 2.7.0 alpha3 2.7.0 beta1 2.7.0 beta2 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 7, 2023 | Initial Analysis | [email protected] |