CVE-2021-4143 - Vulnerability Details - OpenCVE

Description

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

Published: 2022-01-19

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

bigbluebutton

bigbluebutton/bigbluebutton

affected

Version	Status	Constraints
`unspecified`	affected	< 2.4.0

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-34012	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.

The EPSS score is 0.00311.

Key SSVC decision points have not yet been added.

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}`

Subscriptions

Bigbluebutton Bigbluebutton

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2022-01-19T22:20:09.000Z

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

Reserved: 2021-12-20T00:00:00.000Z

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.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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