Is CVE-2022-26497 actively exploited?

CVE-2022-26497 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2022-26497?

CVE-2022-26497 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2022-26497?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-26497.

Which products are affected by CVE-2022-26497?

1 product: bigbluebutton greenlight.

CVE-2022-26497 - remediation guidance & executive summary

Description

BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the "Share room access" dialog if the victim has shared access to the particular room with the attacker previously.

CVSS Metrics

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

Metadata

Primary Vendor: BIGBLUEBUTTON
Published: 6/2/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

bigbluebutton : greenlight

Remediation Guidance

Executive Summary

Cite this page

CVE-2022-26497. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-26497

View on NIST NVD

CVE-2022-26497 vulnerability