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CVE-2021-39205 Details

Description

Jitsi Meet is an open source video conferencing application. Versions prior to 2.0.6173 are vulnerable to client-side cross-site scripting via injecting properties into JSON objects that were not properly escaped. There are no known incidents related to this vulnerability being exploited in the wild. This issue is fixed in Jitsi Meet version 2.0.6173. There are no known workarounds aside from upgrading.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/jitsi/jitsi-meet/pull/9320	CVE	PatchThird Party Advisory
https://github.com/jitsi/jitsi-meet/pull/9404	CVE	PatchThird Party Advisory
https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg	CVE	Third Party Advisory
https://hackerone.com/reports/1214493	CVE	Permissions Required
https://github.com/jitsi/jitsi-meet/pull/9320	[email protected]	PatchThird Party Advisory
https://github.com/jitsi/jitsi-meet/pull/9404	[email protected]	PatchThird Party Advisory
https://github.com/jitsi/jitsi-meet/security/advisories/GHSA-6582-8v9q-v3fg	[email protected]	Third Party Advisory
https://hackerone.com/reports/1214493	[email protected]	Permissions Required

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1321	Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-1321	Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
8x8 jitsi meet	< 2.0.6173
CPE cpe:2.3:a:8x8:jitsi_meet:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Sep 10, 2022	Modified Analysis	[email protected]
May 12, 2022	CVE Modified	[email protected]
Sep 28, 2021	Initial Analysis	[email protected]