Is CVE-2023-43797 actively exploited?

CVE-2023-43797 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-43797?

CVE-2023-43797 has a CVSS score of 6.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

How do I patch CVE-2023-43797?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-43797.

CVE-2023-43797 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-43797?

6 products: bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, and 1 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: BIGBLUEBUTTON
Published: 10/30/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

bigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebutton

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-43797. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-43797

View on NIST NVD

CVE-2023-43797 vulnerability