CVE-2021-4143 - Vulnerability Details - OpenCVE

Cross-site Scripting (XSS) - Generic in GitHub repository bigbluebutton/bigbluebutton prior to 2.4.0.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Bigbluebutton	Bigbluebutton

Configuration 1 [-]

cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/bigbluebutton/bigbluebutton/commit/62040bdcb3c2f993ba72ab89f4db2015e18d1706
https://huntr.dev/bounties/e67603e6-8497-4ab6-b93a-02c26407d443

History

Tue, 15 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00295}`	epss `{'score': 0.00311}`

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2022-01-19T22:20:09

Updated: 2024-08-03T17:16:04.257Z

Reserved: 2021-12-20T00:00:00

Link: CVE-2021-4143

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-19T23:15:08.113

Modified: 2024-11-21T06:36:59.620

Link: CVE-2021-4143

Redhat

No data.

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